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Limitation based on adjusted gross income

4 rules

The amount of the credit allowable under subsection (a) shall be reduced (but not below zero) by $50 for each $1,000 (or fraction thereof) by which the taxpayer’s modified adjusted gross income exceeds the threshold amount. For purposes of the preceding sentence, the term “modified adjusted gross income” means adjusted gross income increased by any amount excluded from gross income under section 911, 931, or 933.

in view

Whole section

Encodings · 4

ctc_phaseout_reduction_per_increment26 USC § 24 (b)(1) · parameter

26 USC 24(b)(1)

name: ctc_phaseout_reduction_per_increment
kind: parameter
dtype: Money
unit: USD
source: 26 USC 24(b)(1)
metadata:
  proof:
    atoms:
      - path: versions[0].formula
        kind: amount
        source:
          corpus_citation_path: us/statute/26/24
          text: reduced (but not below zero) by $50
versions:
  - effective_from: '2018-01-01'
    formula: '50'

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ctc_phaseout_increment26 USC § 24 (b)(1) · parameter

26 USC 24(b)(1)

name: ctc_phaseout_increment
kind: parameter
dtype: Money
unit: USD
source: 26 USC 24(b)(1)
metadata:
  proof:
    atoms:
      - path: versions[0].formula
        kind: amount
        source:
          corpus_citation_path: us/statute/26/24
          text: for each $1,000 (or fraction thereof)
versions:
  - effective_from: '2018-01-01'
    formula: '1000'

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ctc_modified_adjusted_gross_income26 USC § 24 (b)(1) · derived

26 USC 24(b)(1)

name: ctc_modified_adjusted_gross_income
kind: derived
entity: TaxUnit
dtype: Money
period: Year
unit: USD
source: 26 USC 24(b)(1)
metadata:
  proof:
    atoms:
      - path: versions[0].formula
        kind: definition
        source:
          corpus_citation_path: us/statute/26/24
          text: >-
            modified adjusted gross income means adjusted gross income increased
            by any amount excluded from gross income under section 911, 931, or
            933
versions:
  - effective_from: '2018-01-01'
    formula: |-
      adjusted_gross_income
      + ctc_foreign_earned_income_exclusion_adjustment
      + ctc_possession_income_exclusion_adjustment
      + ctc_puerto_rico_income_exclusion_adjustment

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ctc_phaseout_amount26 USC § 24 (b)(1) · derived

26 USC 24(b)(1)

name: ctc_phaseout_amount
kind: derived
entity: TaxUnit
dtype: Money
period: Year
unit: USD
source: 26 USC 24(b)(1)
metadata:
  proof:
    atoms:
      - path: versions[0].formula
        kind: formula
        source:
          corpus_citation_path: us/statute/26/24
          text: >-
            reduced (but not below zero) by $50 for each $1,000 (or fraction
            thereof) by which modified adjusted gross income exceeds the
            threshold amount
versions:
  - effective_from: '2018-01-01'
    formula: >-
      ctc_phaseout_reduction_per_increment

      * ceil(max(0, ctc_modified_adjusted_gross_income - ctc_phaseout_threshold)
      / ctc_phaseout_increment)

open in graph ↗

▸rulespec code

Shown source

statutes/26/24.yaml

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Rules

Data relation ctc_qualifying_child_of_tax_unit

#ctc_qualifying_child_of_tax_unit

Data Relation

predicate: ctc_qualifying_child_of_tax_unit
arity: 2

- name: ctc_qualifying_child_of_tax_unit
  kind: data_relation
  data_relation:
    predicate: ctc_qualifying_child_of_tax_unit
    arity: 2
    arguments:
      - TaxUnit
      - Person

ctc_child_amount_base

Parameter

source: 26 USC 24(a)

- name: ctc_child_amount_base
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 24(a)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: amount
          source:
            corpus_citation_path: us/statute/26/24
            text: an amount equal to $1,000
  versions:
    - effective_from: '2018-01-01'
      formula: '1000'

ctc_phaseout_reduction_per_increment

Parameter

source: 26 USC 24(b)(1)

- name: ctc_phaseout_reduction_per_increment
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 24(b)(1)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: amount
          source:
            corpus_citation_path: us/statute/26/24
            text: reduced (but not below zero) by $50
  versions:
    - effective_from: '2018-01-01'
      formula: '50'

ctc_phaseout_increment

Parameter

source: 26 USC 24(b)(1)

- name: ctc_phaseout_increment
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 24(b)(1)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: amount
          source:
            corpus_citation_path: us/statute/26/24
            text: for each $1,000 (or fraction thereof)
  versions:
    - effective_from: '2018-01-01'
      formula: '1000'

ctc_joint_threshold_base

Parameter

source: 26 USC 24(b)(2)(A)

- name: ctc_joint_threshold_base
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 24(b)(2)(A)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: amount
          source:
            corpus_citation_path: us/statute/26/24
            text: $110,000 in the case of a joint return
  versions:
    - effective_from: '2018-01-01'
      formula: '110000'

ctc_unmarried_threshold_base

Parameter

source: 26 USC 24(b)(2)(B)

- name: ctc_unmarried_threshold_base
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 24(b)(2)(B)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: amount
          source:
            corpus_citation_path: us/statute/26/24
            text: $75,000 in the case of an individual who is not married
  versions:
    - effective_from: '2018-01-01'
      formula: '75000'

ctc_separate_threshold_base

Parameter

source: 26 USC 24(b)(2)(C)

- name: ctc_separate_threshold_base
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 24(b)(2)(C)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: amount
          source:
            corpus_citation_path: us/statute/26/24
            text: $55,000 in the case of a married individual filing a separate return
  versions:
    - effective_from: '2018-01-01'
      formula: '55000'

ctc_child_age_ceiling_exclusive

Parameter

source: 26 USC 24(c)(1)

- name: ctc_child_age_ceiling_exclusive
  kind: parameter
  dtype: Integer
  source: 26 USC 24(c)(1)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: parameter
          source:
            corpus_citation_path: us/statute/26/24
            text: who has not attained age 17
  versions:
    - effective_from: '2018-01-01'
      formula: '17'

ctc_full_taxable_year_months

Parameter

source: 26 USC 24(f)

- name: ctc_full_taxable_year_months
  kind: parameter
  dtype: Integer
  source: 26 USC 24(f)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: parameter
          source:
            corpus_citation_path: us/statute/26/24
            text: a period of less than 12 months
  versions:
    - effective_from: '2018-01-01'
      formula: '12'

ctc_fraud_disallowance_years

Parameter

source: 26 USC 24(g)(1)(B)(i)

- name: ctc_fraud_disallowance_years
  kind: parameter
  dtype: Integer
  source: 26 USC 24(g)(1)(B)(i)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: parameter
          source:
            corpus_citation_path: us/statute/26/24
            text: the period of 10 taxable years
  versions:
    - effective_from: '2018-01-01'
      formula: '10'

ctc_reckless_disallowance_years

Parameter

source: 26 USC 24(g)(1)(B)(ii)

- name: ctc_reckless_disallowance_years
  kind: parameter
  dtype: Integer
  source: 26 USC 24(g)(1)(B)(ii)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: parameter
          source:
            corpus_citation_path: us/statute/26/24
            text: the period of 2 taxable years
  versions:
    - effective_from: '2018-01-01'
      formula: '2'

ctc_modified_adjusted_gross_income

Derived

source: 26 USC 24(b)(1)

- name: ctc_modified_adjusted_gross_income
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 24(b)(1)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: definition
          source:
            corpus_citation_path: us/statute/26/24
            text: >-
              modified adjusted gross income means adjusted gross income increased by any amount
              excluded from gross income under section 911, 931, or 933
  versions:
    - effective_from: '2018-01-01'
      formula: |-
        adjusted_gross_income
        + ctc_foreign_earned_income_exclusion_adjustment
        + ctc_possession_income_exclusion_adjustment
        + ctc_puerto_rico_income_exclusion_adjustment

ctc_qualifying_child

Derived

source: 26 USC 24(c)

- name: ctc_qualifying_child
  kind: derived
  entity: Person
  dtype: Judgment
  period: Year
  source: 26 USC 24(c)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: definition
          source:
            corpus_citation_path: us/statute/26/24
            text: >-
              qualifying child means a qualifying child of the taxpayer (as defined in section
              152(c)) who has not attained age 17
        - path: versions[0].formula
          kind: exception
          source:
            corpus_citation_path: us/statute/26/24
            text: >-
              shall not include any individual who would not be a dependent if subparagraph (A) of
              section 152(b)(3) were applied without regard to all that follows "resident of the
              United States"
  versions:
    - effective_from: '2018-01-01'
      formula: |-
        ctc_child_satisfies_dependency_rules
        and age < ctc_child_age_ceiling_exclusive
        and ctc_child_deduction_allowed
        and not certain_noncitizen_exception_applies

ctc_child_identification_requirement_satisfied

Derived

source: 26 USC 24(e)(1)

- name: ctc_child_identification_requirement_satisfied
  kind: derived
  entity: Person
  dtype: Judgment
  period: Year
  source: 26 USC 24(e)(1)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: condition
          source:
            corpus_citation_path: us/statute/26/24
            text: >-
              includes the name and taxpayer identification number of such qualifying child on the
              return ... and such taxpayer identification number was issued on or before the due
              date
  versions:
    - effective_from: '2018-01-01'
      formula: |-
        qualifying_child_name_included_on_return
        and qualifying_child_tin_included_on_return
        and qualifying_child_tin_issued_on_or_before_return_due_date

ctc_qualifying_children_count

Derived

source: 26 USC 24(a), (c), (e)(1)

- name: ctc_qualifying_children_count
  kind: derived
  entity: TaxUnit
  dtype: Count
  period: Year
  source: 26 USC 24(a), (c), (e)(1)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: formula
          source:
            corpus_citation_path: us/statute/26/24
            text: >-
              with respect to each qualifying child ... No credit shall be allowed ... unless the
              taxpayer includes the name and taxpayer identification number of such qualifying child
  versions:
    - effective_from: '2018-01-01'
      formula: |-
        count_where(ctc_qualifying_child_of_tax_unit, ctc_qualifying_child)
        - count_where(ctc_qualifying_child_of_tax_unit, ctc_child_missing_identification)

ctc_taxpayer_identification_requirement_satisfied

Derived

source: 26 USC 24(e)(2)

- name: ctc_taxpayer_identification_requirement_satisfied
  kind: derived
  entity: TaxUnit
  dtype: Judgment
  period: Year
  source: 26 USC 24(e)(2)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: condition
          source:
            corpus_citation_path: us/statute/26/24
            text: >-
              No credit shall be allowed ... if the taxpayer identification number of the taxpayer
              was issued after the due date
  versions:
    - effective_from: '2018-01-01'
      formula: not taxpayer_identification_number_issued_after_return_due_date

ctc_full_taxable_year_requirement_satisfied

Derived

source: 26 USC 24(f)

- name: ctc_full_taxable_year_requirement_satisfied
  kind: derived
  entity: TaxUnit
  dtype: Judgment
  period: Year
  source: 26 USC 24(f)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: exception
          source:
            corpus_citation_path: us/statute/26/24
            text: Except in the case of a taxable year closed by reason of the death of the taxpayer
        - path: versions[0].formula
          kind: condition
          source:
            corpus_citation_path: us/statute/26/24
            text: >-
              no credit shall be allowable ... in the case of a taxable year covering a period of
              less than 12 months
  versions:
    - effective_from: '2018-01-01'
      formula: |-
        taxable_year_months >= ctc_full_taxable_year_months
        or taxable_year_closed_by_reason_of_taxpayer_death

ctc_prior_claim_restriction_satisfied

Derived

source: 26 USC 24(g)

- name: ctc_prior_claim_restriction_satisfied
  kind: derived
  entity: TaxUnit
  dtype: Judgment
  period: Year
  source: 26 USC 24(g)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: exception
          source:
            corpus_citation_path: us/statute/26/24
            text: >-
              No credit shall be allowed under this section for any taxable year in the disallowance
              period
        - path: versions[0].formula
          kind: condition
          source:
            corpus_citation_path: us/statute/26/24
            text: >-
              no credit shall be allowed ... unless the taxpayer provides such information as the
              Secretary may require to demonstrate eligibility
  versions:
    - effective_from: '2018-01-01'
      formula: |-
        not ctc_fraud_disallowance_period_applies
        and not ctc_reckless_or_intentional_disregard_disallowance_period_applies
        and not prior_deficiency_denial_without_required_eligibility_information

ctc_phaseout_threshold_base

Derived

source: 26 USC 24(b)(2)

- name: ctc_phaseout_threshold_base
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 24(b)(2)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: formula
          source:
            corpus_citation_path: us/statute/26/24
            text: >-
              threshold amount means $110,000 in the case of a joint return, $75,000 in the case of
              an individual who is not married, and $55,000 in the case of a married individual
              filing a separate return
  versions:
    - effective_from: '2018-01-01'
      formula: |-
        if ctc_phaseout_joint_threshold_applies:
            ctc_joint_threshold_base
        else:
            if ctc_phaseout_separate_threshold_applies:
                ctc_separate_threshold_base
            else:
                ctc_unmarried_threshold_base

ctc_phaseout_threshold

Derived

source: 26 USC 24(b)(2), 24(h)(3)

- name: ctc_phaseout_threshold
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 24(b)(2), 24(h)(3)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: formula
          source:
            corpus_citation_path: us/statute/26/24
            text: >-
              In lieu of the amount determined under subsection (b)(2), the threshold amount shall
              be $400,000 in the case of a joint return ($200,000 in any other case)
        - path: versions[0].formula
          kind: import
          import:
            target: us:statutes/26/24/h#ctc_phase_out_threshold_under_subsection_h
            output: ctc_phase_out_threshold_under_subsection_h
            hash: sha256:80d253ad020aaf460588e169963b2d126ea532359124436c2905c343b7dbc103
  versions:
    - effective_from: '2018-01-01'
      formula: |-
        if ctc_subsection_h_special_rules_apply:
            ctc_phase_out_threshold_under_subsection_h
        else:
            ctc_phaseout_threshold_base

ctc_maximum_before_phaseout

Derived

source: 26 USC 24(a), 24(h)(2), 24(h)(4)

- name: ctc_maximum_before_phaseout
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 24(a), 24(h)(2), 24(h)(4)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: formula
          source:
            corpus_citation_path: us/statute/26/24
            text: >-
              with respect to each qualifying child ... $1,000; after 2017, subsection (a) is
              applied by substituting $2,200, and the credit is increased by $500 for certain other
              dependents
        - path: versions[0].formula
          kind: import
          import:
            target: us:statutes/26/24/h#ctc_maximum_before_phase_out_under_subsection_h
            output: ctc_maximum_before_phase_out_under_subsection_h
            hash: sha256:80d253ad020aaf460588e169963b2d126ea532359124436c2905c343b7dbc103
  versions:
    - effective_from: '2018-01-01'
      formula: |-
        if ctc_subsection_h_special_rules_apply:
            ctc_maximum_before_phase_out_under_subsection_h
        else:
            ctc_qualifying_children_count * ctc_child_amount_base

ctc_phaseout_amount

Derived

source: 26 USC 24(b)(1)

- name: ctc_phaseout_amount
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 24(b)(1)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: formula
          source:
            corpus_citation_path: us/statute/26/24
            text: >-
              reduced (but not below zero) by $50 for each $1,000 (or fraction thereof) by which
              modified adjusted gross income exceeds the threshold amount
  versions:
    - effective_from: '2018-01-01'
      formula: >-
        ctc_phaseout_reduction_per_increment

        * ceil(max(0, ctc_modified_adjusted_gross_income - ctc_phaseout_threshold) /
        ctc_phaseout_increment)

ctc_before_advance_payments

Derived

source: 26 USC 24(a), 24(b), 24(e), 24(f), 24(g), 24(h)

- name: ctc_before_advance_payments
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 24(a), 24(b), 24(e), 24(f), 24(g), 24(h)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: formula
          source:
            corpus_citation_path: us/statute/26/24
            text: >-
              There shall be allowed as a credit ... reduced (but not below zero) ... No credit
              shall be allowed if identification, short-year, or prior-claim restrictions apply
  versions:
    - effective_from: '2018-01-01'
      formula: |-
        if ctc_taxpayer_identification_requirement_satisfied
           and ctc_full_taxable_year_requirement_satisfied
           and ctc_prior_claim_restriction_satisfied:
            max(0, ctc_maximum_before_phaseout - ctc_phaseout_amount)
        else:
            0

ctc_after_advance_payments

Derived

source: 26 USC 24(j)(1)

- name: ctc_after_advance_payments
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 24(j)(1)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: formula
          source:
            corpus_citation_path: us/statute/26/24
            text: >-
              reduced (but not below zero) by the aggregate amount of payments made under section
              7527A
  versions:
    - effective_from: '2018-01-01'
      formula: max(0, ctc_before_advance_payments - ctc_advance_payments_received)

▸citations (1)

References

This rule cites 1 other rule.

26 USC § 911inferredUS Federal › Statutes › Title 26 › § 911

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us/statute/26/24/b/1 — Limitation based on adjusted gross income · Axiom

Limitation based on adjusted gross income

4 rules

Official source

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in view

Whole section

Encodings · 4

ctc_phaseout_reduction_per_increment26 USC § 24 (b)(1) · parameter

26 USC 24(b)(1)

name: ctc_phaseout_reduction_per_increment
kind: parameter
dtype: Money
unit: USD
source: 26 USC 24(b)(1)
metadata:
  proof:
    atoms:
      - path: versions[0].formula
        kind: amount
        source:
          corpus_citation_path: us/statute/26/24
          text: reduced (but not below zero) by $50
versions:
  - effective_from: '2018-01-01'
    formula: '50'

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ctc_phaseout_increment26 USC § 24 (b)(1) · parameter

26 USC 24(b)(1)

name: ctc_phaseout_increment
kind: parameter
dtype: Money
unit: USD
source: 26 USC 24(b)(1)
metadata:
  proof:
    atoms:
      - path: versions[0].formula
        kind: amount
        source:
          corpus_citation_path: us/statute/26/24
          text: for each $1,000 (or fraction thereof)
versions:
  - effective_from: '2018-01-01'
    formula: '1000'

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ctc_modified_adjusted_gross_income26 USC § 24 (b)(1) · derived

26 USC 24(b)(1)

name: ctc_modified_adjusted_gross_income
kind: derived
entity: TaxUnit
dtype: Money
period: Year
unit: USD
source: 26 USC 24(b)(1)
metadata:
  proof:
    atoms:
      - path: versions[0].formula
        kind: definition
        source:
          corpus_citation_path: us/statute/26/24
          text: >-
            modified adjusted gross income means adjusted gross income increased
            by any amount excluded from gross income under section 911, 931, or
            933
versions:
  - effective_from: '2018-01-01'
    formula: |-
      adjusted_gross_income
      + ctc_foreign_earned_income_exclusion_adjustment
      + ctc_possession_income_exclusion_adjustment
      + ctc_puerto_rico_income_exclusion_adjustment

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ctc_phaseout_amount26 USC § 24 (b)(1) · derived

26 USC 24(b)(1)

name: ctc_phaseout_amount
kind: derived
entity: TaxUnit
dtype: Money
period: Year
unit: USD
source: 26 USC 24(b)(1)
metadata:
  proof:
    atoms:
      - path: versions[0].formula
        kind: formula
        source:
          corpus_citation_path: us/statute/26/24
          text: >-
            reduced (but not below zero) by $50 for each $1,000 (or fraction
            thereof) by which modified adjusted gross income exceeds the
            threshold amount
versions:
  - effective_from: '2018-01-01'
    formula: >-
      ctc_phaseout_reduction_per_increment

      * ceil(max(0, ctc_modified_adjusted_gross_income - ctc_phaseout_threshold)
      / ctc_phaseout_increment)

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▸rulespec code

Shown source

statutes/26/24.yaml

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This encoding covers the parent provision us/statute/26/24; no dedicated encoding exists for this exact provision yet.

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Rules

Data relation ctc_qualifying_child_of_tax_unit

#ctc_qualifying_child_of_tax_unit

Data Relation

predicate: ctc_qualifying_child_of_tax_unit
arity: 2

- name: ctc_qualifying_child_of_tax_unit
  kind: data_relation
  data_relation:
    predicate: ctc_qualifying_child_of_tax_unit
    arity: 2
    arguments:
      - TaxUnit
      - Person

ctc_child_amount_base

Parameter

source: 26 USC 24(a)

- name: ctc_child_amount_base
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 24(a)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: amount
          source:
            corpus_citation_path: us/statute/26/24
            text: an amount equal to $1,000
  versions:
    - effective_from: '2018-01-01'
      formula: '1000'

ctc_phaseout_reduction_per_increment

Parameter

source: 26 USC 24(b)(1)

- name: ctc_phaseout_reduction_per_increment
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 24(b)(1)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: amount
          source:
            corpus_citation_path: us/statute/26/24
            text: reduced (but not below zero) by $50
  versions:
    - effective_from: '2018-01-01'
      formula: '50'

ctc_phaseout_increment

Parameter

source: 26 USC 24(b)(1)

- name: ctc_phaseout_increment
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 24(b)(1)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: amount
          source:
            corpus_citation_path: us/statute/26/24
            text: for each $1,000 (or fraction thereof)
  versions:
    - effective_from: '2018-01-01'
      formula: '1000'

ctc_joint_threshold_base

Parameter

source: 26 USC 24(b)(2)(A)

- name: ctc_joint_threshold_base
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 24(b)(2)(A)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: amount
          source:
            corpus_citation_path: us/statute/26/24
            text: $110,000 in the case of a joint return
  versions:
    - effective_from: '2018-01-01'
      formula: '110000'

ctc_unmarried_threshold_base

Parameter

source: 26 USC 24(b)(2)(B)

- name: ctc_unmarried_threshold_base
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 24(b)(2)(B)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: amount
          source:
            corpus_citation_path: us/statute/26/24
            text: $75,000 in the case of an individual who is not married
  versions:
    - effective_from: '2018-01-01'
      formula: '75000'

ctc_separate_threshold_base

Parameter

source: 26 USC 24(b)(2)(C)

- name: ctc_separate_threshold_base
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 24(b)(2)(C)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: amount
          source:
            corpus_citation_path: us/statute/26/24
            text: $55,000 in the case of a married individual filing a separate return
  versions:
    - effective_from: '2018-01-01'
      formula: '55000'

ctc_child_age_ceiling_exclusive

Parameter

source: 26 USC 24(c)(1)

- name: ctc_child_age_ceiling_exclusive
  kind: parameter
  dtype: Integer
  source: 26 USC 24(c)(1)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: parameter
          source:
            corpus_citation_path: us/statute/26/24
            text: who has not attained age 17
  versions:
    - effective_from: '2018-01-01'
      formula: '17'

ctc_full_taxable_year_months

Parameter

source: 26 USC 24(f)

- name: ctc_full_taxable_year_months
  kind: parameter
  dtype: Integer
  source: 26 USC 24(f)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: parameter
          source:
            corpus_citation_path: us/statute/26/24
            text: a period of less than 12 months
  versions:
    - effective_from: '2018-01-01'
      formula: '12'

ctc_fraud_disallowance_years

Parameter

source: 26 USC 24(g)(1)(B)(i)

- name: ctc_fraud_disallowance_years
  kind: parameter
  dtype: Integer
  source: 26 USC 24(g)(1)(B)(i)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: parameter
          source:
            corpus_citation_path: us/statute/26/24
            text: the period of 10 taxable years
  versions:
    - effective_from: '2018-01-01'
      formula: '10'

ctc_reckless_disallowance_years

Parameter

source: 26 USC 24(g)(1)(B)(ii)

- name: ctc_reckless_disallowance_years
  kind: parameter
  dtype: Integer
  source: 26 USC 24(g)(1)(B)(ii)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: parameter
          source:
            corpus_citation_path: us/statute/26/24
            text: the period of 2 taxable years
  versions:
    - effective_from: '2018-01-01'
      formula: '2'

ctc_modified_adjusted_gross_income

Derived

source: 26 USC 24(b)(1)

- name: ctc_modified_adjusted_gross_income
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 24(b)(1)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: definition
          source:
            corpus_citation_path: us/statute/26/24
            text: >-
              modified adjusted gross income means adjusted gross income increased by any amount
              excluded from gross income under section 911, 931, or 933
  versions:
    - effective_from: '2018-01-01'
      formula: |-
        adjusted_gross_income
        + ctc_foreign_earned_income_exclusion_adjustment
        + ctc_possession_income_exclusion_adjustment
        + ctc_puerto_rico_income_exclusion_adjustment

ctc_qualifying_child

Derived

source: 26 USC 24(c)

- name: ctc_qualifying_child
  kind: derived
  entity: Person
  dtype: Judgment
  period: Year
  source: 26 USC 24(c)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: definition
          source:
            corpus_citation_path: us/statute/26/24
            text: >-
              qualifying child means a qualifying child of the taxpayer (as defined in section
              152(c)) who has not attained age 17
        - path: versions[0].formula
          kind: exception
          source:
            corpus_citation_path: us/statute/26/24
            text: >-
              shall not include any individual who would not be a dependent if subparagraph (A) of
              section 152(b)(3) were applied without regard to all that follows "resident of the
              United States"
  versions:
    - effective_from: '2018-01-01'
      formula: |-
        ctc_child_satisfies_dependency_rules
        and age < ctc_child_age_ceiling_exclusive
        and ctc_child_deduction_allowed
        and not certain_noncitizen_exception_applies

ctc_child_identification_requirement_satisfied

Derived

source: 26 USC 24(e)(1)

- name: ctc_child_identification_requirement_satisfied
  kind: derived
  entity: Person
  dtype: Judgment
  period: Year
  source: 26 USC 24(e)(1)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: condition
          source:
            corpus_citation_path: us/statute/26/24
            text: >-
              includes the name and taxpayer identification number of such qualifying child on the
              return ... and such taxpayer identification number was issued on or before the due
              date
  versions:
    - effective_from: '2018-01-01'
      formula: |-
        qualifying_child_name_included_on_return
        and qualifying_child_tin_included_on_return
        and qualifying_child_tin_issued_on_or_before_return_due_date

ctc_qualifying_children_count

Derived

source: 26 USC 24(a), (c), (e)(1)

- name: ctc_qualifying_children_count
  kind: derived
  entity: TaxUnit
  dtype: Count
  period: Year
  source: 26 USC 24(a), (c), (e)(1)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: formula
          source:
            corpus_citation_path: us/statute/26/24
            text: >-
              with respect to each qualifying child ... No credit shall be allowed ... unless the
              taxpayer includes the name and taxpayer identification number of such qualifying child
  versions:
    - effective_from: '2018-01-01'
      formula: |-
        count_where(ctc_qualifying_child_of_tax_unit, ctc_qualifying_child)
        - count_where(ctc_qualifying_child_of_tax_unit, ctc_child_missing_identification)

ctc_taxpayer_identification_requirement_satisfied

Derived

source: 26 USC 24(e)(2)

- name: ctc_taxpayer_identification_requirement_satisfied
  kind: derived
  entity: TaxUnit
  dtype: Judgment
  period: Year
  source: 26 USC 24(e)(2)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: condition
          source:
            corpus_citation_path: us/statute/26/24
            text: >-
              No credit shall be allowed ... if the taxpayer identification number of the taxpayer
              was issued after the due date
  versions:
    - effective_from: '2018-01-01'
      formula: not taxpayer_identification_number_issued_after_return_due_date

ctc_full_taxable_year_requirement_satisfied

Derived

source: 26 USC 24(f)

- name: ctc_full_taxable_year_requirement_satisfied
  kind: derived
  entity: TaxUnit
  dtype: Judgment
  period: Year
  source: 26 USC 24(f)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: exception
          source:
            corpus_citation_path: us/statute/26/24
            text: Except in the case of a taxable year closed by reason of the death of the taxpayer
        - path: versions[0].formula
          kind: condition
          source:
            corpus_citation_path: us/statute/26/24
            text: >-
              no credit shall be allowable ... in the case of a taxable year covering a period of
              less than 12 months
  versions:
    - effective_from: '2018-01-01'
      formula: |-
        taxable_year_months >= ctc_full_taxable_year_months
        or taxable_year_closed_by_reason_of_taxpayer_death

ctc_prior_claim_restriction_satisfied

Derived

source: 26 USC 24(g)

- name: ctc_prior_claim_restriction_satisfied
  kind: derived
  entity: TaxUnit
  dtype: Judgment
  period: Year
  source: 26 USC 24(g)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: exception
          source:
            corpus_citation_path: us/statute/26/24
            text: >-
              No credit shall be allowed under this section for any taxable year in the disallowance
              period
        - path: versions[0].formula
          kind: condition
          source:
            corpus_citation_path: us/statute/26/24
            text: >-
              no credit shall be allowed ... unless the taxpayer provides such information as the
              Secretary may require to demonstrate eligibility
  versions:
    - effective_from: '2018-01-01'
      formula: |-
        not ctc_fraud_disallowance_period_applies
        and not ctc_reckless_or_intentional_disregard_disallowance_period_applies
        and not prior_deficiency_denial_without_required_eligibility_information

ctc_phaseout_threshold_base

Derived

source: 26 USC 24(b)(2)

- name: ctc_phaseout_threshold_base
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 24(b)(2)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: formula
          source:
            corpus_citation_path: us/statute/26/24
            text: >-
              threshold amount means $110,000 in the case of a joint return, $75,000 in the case of
              an individual who is not married, and $55,000 in the case of a married individual
              filing a separate return
  versions:
    - effective_from: '2018-01-01'
      formula: |-
        if ctc_phaseout_joint_threshold_applies:
            ctc_joint_threshold_base
        else:
            if ctc_phaseout_separate_threshold_applies:
                ctc_separate_threshold_base
            else:
                ctc_unmarried_threshold_base

ctc_phaseout_threshold

Derived

source: 26 USC 24(b)(2), 24(h)(3)

- name: ctc_phaseout_threshold
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 24(b)(2), 24(h)(3)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: formula
          source:
            corpus_citation_path: us/statute/26/24
            text: >-
              In lieu of the amount determined under subsection (b)(2), the threshold amount shall
              be $400,000 in the case of a joint return ($200,000 in any other case)
        - path: versions[0].formula
          kind: import
          import:
            target: us:statutes/26/24/h#ctc_phase_out_threshold_under_subsection_h
            output: ctc_phase_out_threshold_under_subsection_h
            hash: sha256:80d253ad020aaf460588e169963b2d126ea532359124436c2905c343b7dbc103
  versions:
    - effective_from: '2018-01-01'
      formula: |-
        if ctc_subsection_h_special_rules_apply:
            ctc_phase_out_threshold_under_subsection_h
        else:
            ctc_phaseout_threshold_base

ctc_maximum_before_phaseout

Derived

source: 26 USC 24(a), 24(h)(2), 24(h)(4)

- name: ctc_maximum_before_phaseout
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 24(a), 24(h)(2), 24(h)(4)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: formula
          source:
            corpus_citation_path: us/statute/26/24
            text: >-
              with respect to each qualifying child ... $1,000; after 2017, subsection (a) is
              applied by substituting $2,200, and the credit is increased by $500 for certain other
              dependents
        - path: versions[0].formula
          kind: import
          import:
            target: us:statutes/26/24/h#ctc_maximum_before_phase_out_under_subsection_h
            output: ctc_maximum_before_phase_out_under_subsection_h
            hash: sha256:80d253ad020aaf460588e169963b2d126ea532359124436c2905c343b7dbc103
  versions:
    - effective_from: '2018-01-01'
      formula: |-
        if ctc_subsection_h_special_rules_apply:
            ctc_maximum_before_phase_out_under_subsection_h
        else:
            ctc_qualifying_children_count * ctc_child_amount_base

ctc_phaseout_amount

Derived

source: 26 USC 24(b)(1)

- name: ctc_phaseout_amount
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 24(b)(1)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: formula
          source:
            corpus_citation_path: us/statute/26/24
            text: >-
              reduced (but not below zero) by $50 for each $1,000 (or fraction thereof) by which
              modified adjusted gross income exceeds the threshold amount
  versions:
    - effective_from: '2018-01-01'
      formula: >-
        ctc_phaseout_reduction_per_increment

        * ceil(max(0, ctc_modified_adjusted_gross_income - ctc_phaseout_threshold) /
        ctc_phaseout_increment)

ctc_before_advance_payments

Derived

source: 26 USC 24(a), 24(b), 24(e), 24(f), 24(g), 24(h)

- name: ctc_before_advance_payments
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 24(a), 24(b), 24(e), 24(f), 24(g), 24(h)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: formula
          source:
            corpus_citation_path: us/statute/26/24
            text: >-
              There shall be allowed as a credit ... reduced (but not below zero) ... No credit
              shall be allowed if identification, short-year, or prior-claim restrictions apply
  versions:
    - effective_from: '2018-01-01'
      formula: |-
        if ctc_taxpayer_identification_requirement_satisfied
           and ctc_full_taxable_year_requirement_satisfied
           and ctc_prior_claim_restriction_satisfied:
            max(0, ctc_maximum_before_phaseout - ctc_phaseout_amount)
        else:
            0

ctc_after_advance_payments

Derived

source: 26 USC 24(j)(1)

- name: ctc_after_advance_payments
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 24(j)(1)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: formula
          source:
            corpus_citation_path: us/statute/26/24
            text: >-
              reduced (but not below zero) by the aggregate amount of payments made under section
              7527A
  versions:
    - effective_from: '2018-01-01'
      formula: max(0, ctc_before_advance_payments - ctc_advance_payments_received)

▸citations (1)

References

This rule cites 1 other rule.

26 USC § 911inferredUS Federal › Statutes › Title 26 › § 911