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Eligible student

1 rule

For purposes of this subsection, the term “eligible student” means, with respect to any academic period, a student who—

(A) meets the requirements of section 484(a)(1) of the Higher Education Act of 1965 ( 20 U.S.C. 1091(a)(1) ), as in effect on the date of the enactment of this section, and

(B) is carrying at least ½ the normal full-time work load for the course of study the student is pursuing.

in view

Whole section

Encodings · 1

aotc_eligible_student26 USC § 25A (b)(3) · derived

26 USC 25A(b)(2)(B), 25A(b)(3)

name: aotc_eligible_student
kind: derived
entity: Person
dtype: Judgment
period: Year
source: 26 USC 25A(b)(2)(B), 25A(b)(3)
versions:
  - effective_from: '2026-01-01'
    formula: |-
      meets_higher_education_act_student_requirements
      and at_least_half_time_student

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Rules

Data relation education_credit_member_of_tax_unit

#education_credit_member_of_tax_unit

Data Relation

arity: 2

- name: education_credit_member_of_tax_unit
  kind: data_relation
  data_relation:
    arity: 2

aotc_first_expense_rate

Parameter

source: 26 USC 25A(b)(1)(A)

- name: aotc_first_expense_rate
  kind: parameter
  dtype: Rate
  source: 26 USC 25A(b)(1)(A)
  versions:
    - effective_from: '2026-01-01'
      formula: '1.0'

aotc_first_expense_threshold

Parameter

source: 26 USC 25A(b)(1)(A)

- name: aotc_first_expense_threshold
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 25A(b)(1)(A)
  versions:
    - effective_from: '2026-01-01'
      formula: '2000'

aotc_second_expense_rate

Parameter

source: 26 USC 25A(b)(1)(B)

- name: aotc_second_expense_rate
  kind: parameter
  dtype: Rate
  source: 26 USC 25A(b)(1)(B)
  versions:
    - effective_from: '2026-01-01'
      formula: '0.25'

aotc_second_expense_threshold

Parameter

source: 26 USC 25A(b)(1)(B)

- name: aotc_second_expense_threshold
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 25A(b)(1)(B)
  versions:
    - effective_from: '2026-01-01'
      formula: '4000'

aotc_prior_year_limit

Parameter

source: 26 USC 25A(b)(2)(A)

- name: aotc_prior_year_limit
  kind: parameter
  dtype: Integer
  source: 26 USC 25A(b)(2)(A)
  versions:
    - effective_from: '2026-01-01'
      formula: '4'

llc_rate

Parameter

source: 26 USC 25A(c)(1)

- name: llc_rate
  kind: parameter
  dtype: Rate
  source: 26 USC 25A(c)(1)
  versions:
    - effective_from: '2026-01-01'
      formula: '0.20'

llc_expense_limit

Parameter

source: 26 USC 25A(c)(1)

- name: llc_expense_limit
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 25A(c)(1)
  versions:
    - effective_from: '2026-01-01'
      formula: '10000'

education_credit_phaseout_start_single

Parameter

source: 26 USC 25A(d)(1)(A)(ii)

- name: education_credit_phaseout_start_single
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 25A(d)(1)(A)(ii)
  versions:
    - effective_from: '2026-01-01'
      formula: '80000'

education_credit_phaseout_start_joint

Parameter

source: 26 USC 25A(d)(1)(A)(ii)

- name: education_credit_phaseout_start_joint
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 25A(d)(1)(A)(ii)
  versions:
    - effective_from: '2026-01-01'
      formula: '160000'

education_credit_phaseout_length_single

Parameter

source: 26 USC 25A(d)(1)(B)

- name: education_credit_phaseout_length_single
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 25A(d)(1)(B)
  versions:
    - effective_from: '2026-01-01'
      formula: '10000'

education_credit_phaseout_length_joint

Parameter

source: 26 USC 25A(d)(1)(B)

- name: education_credit_phaseout_length_joint
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 25A(d)(1)(B)
  versions:
    - effective_from: '2026-01-01'
      formula: '20000'

aotc_refundable_rate

Parameter

source: 26 USC 25A(i)

- name: aotc_refundable_rate
  kind: parameter
  dtype: Rate
  source: 26 USC 25A(i)
  versions:
    - effective_from: '2026-01-01'
      formula: '0.40'

education_credit_adjusted_expenses

Derived

source: 26 USC 25A(g)(2)

- name: education_credit_adjusted_expenses
  kind: derived
  entity: Person
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(g)(2)
  versions:
    - effective_from: '2026-01-01'
      formula: max(0, qualified_tuition_and_related_expenses - excludable_educational_assistance)

education_credit_person_eligible_relationship

Derived

source: 26 USC 25A(f)(1)(A)

- name: education_credit_person_eligible_relationship
  kind: derived
  entity: Person
  dtype: Judgment
  period: Year
  source: 26 USC 25A(f)(1)(A)
  versions:
    - effective_from: '2026-01-01'
      formula: |-
        is_taxpayer
        or is_spouse
        or is_tax_unit_dependent

aotc_eligible_student

Derived

source: 26 USC 25A(b)(2)(B), 25A(b)(3)

- name: aotc_eligible_student
  kind: derived
  entity: Person
  dtype: Judgment
  period: Year
  source: 26 USC 25A(b)(2)(B), 25A(b)(3)
  versions:
    - effective_from: '2026-01-01'
      formula: |-
        meets_higher_education_act_student_requirements
        and at_least_half_time_student

aotc_student_year_eligible

Derived

source: 26 USC 25A(b)(2)

- name: aotc_student_year_eligible
  kind: derived
  entity: Person
  dtype: Judgment
  period: Year
  source: 26 USC 25A(b)(2)
  versions:
    - effective_from: '2026-01-01'
      formula: |-
        aotc_eligible_student
        and aotc_prior_year_election_count < aotc_prior_year_limit
        and not completed_first_four_years_postsecondary_before_year
        and not has_felony_drug_conviction

aotc_claim_allowed

Derived

source: 26 USC 25A(b), 25A(g)(1), 25A(g)(8)

- name: aotc_claim_allowed
  kind: derived
  entity: Person
  dtype: Judgment
  period: Year
  source: 26 USC 25A(b), 25A(g)(1), 25A(g)(8)
  versions:
    - effective_from: '2026-01-01'
      formula: |-
        aotc_election_in_effect
        and education_credit_person_eligible_relationship
        and aotc_student_year_eligible
        and education_credit_identification_requirements_met
        and institution_employer_identification_number_included
        and payee_statement_received
        and not aotc_disallowance_period_applies

aotc_student_first_band_expenses

Derived

source: 26 USC 25A(b)(1)(A)

- name: aotc_student_first_band_expenses
  kind: derived
  entity: Person
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(b)(1)(A)
  versions:
    - effective_from: '2026-01-01'
      formula: min(education_credit_adjusted_expenses, aotc_first_expense_threshold)

aotc_student_second_band_expenses

Derived

source: 26 USC 25A(b)(1)(B)

- name: aotc_student_second_band_expenses
  kind: derived
  entity: Person
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(b)(1)(B)
  versions:
    - effective_from: '2026-01-01'
      formula: >-
        max(0, min(education_credit_adjusted_expenses, aotc_second_expense_threshold) -
        aotc_first_expense_threshold)

aotc_student_potential

Derived

source: 26 USC 25A(b)(1)

- name: aotc_student_potential
  kind: derived
  entity: Person
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(b)(1)
  versions:
    - effective_from: '2026-01-01'
      formula: |-
        (aotc_student_first_band_expenses * aotc_first_expense_rate)
        + (aotc_student_second_band_expenses * aotc_second_expense_rate)

american_opportunity_credit_before_phaseout

Derived

source: 26 USC 25A(b)(1), aggregated over eligible students

- name: american_opportunity_credit_before_phaseout
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(b)(1), aggregated over eligible students
  versions:
    - effective_from: '2026-01-01'
      formula: |-
        sum_where(
            education_credit_member_of_tax_unit,
            aotc_student_potential,
            aotc_claim_allowed
        )

education_credit_phaseout_start

Derived

source: 26 USC 25A(d)(1)(A)(ii)

- name: education_credit_phaseout_start
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(d)(1)(A)(ii)
  versions:
    - effective_from: '2026-01-01'
      formula: |-
        if filing_status == 1:
            education_credit_phaseout_start_joint
        else:
            education_credit_phaseout_start_single

education_credit_phaseout_length

Derived

source: 26 USC 25A(d)(1)(B)

- name: education_credit_phaseout_length
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(d)(1)(B)
  versions:
    - effective_from: '2026-01-01'
      formula: |-
        if filing_status == 1:
            education_credit_phaseout_length_joint
        else:
            education_credit_phaseout_length_single

education_credit_phaseout_excess

Derived

source: 26 USC 25A(d)(1)

- name: education_credit_phaseout_excess
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(d)(1)
  versions:
    - effective_from: '2026-01-01'
      formula: max(0, modified_adjusted_gross_income - education_credit_phaseout_start)

education_credit_phaseout_rate

Derived

source: 26 USC 25A(d)(1)

- name: education_credit_phaseout_rate
  kind: derived
  entity: TaxUnit
  dtype: Rate
  period: Year
  source: 26 USC 25A(d)(1)
  versions:
    - effective_from: '2026-01-01'
      formula: min(1, education_credit_phaseout_excess / education_credit_phaseout_length)

education_credit_claim_requirements_satisfied

Derived

source: 26 USC 25A(g)(6), 25A(g)(7)

- name: education_credit_claim_requirements_satisfied
  kind: derived
  entity: TaxUnit
  dtype: Judgment
  period: Year
  source: 26 USC 25A(g)(6), 25A(g)(7)
  versions:
    - effective_from: '2026-01-01'
      formula: |-
        filing_status != 2
        and (
            not is_nonresident_alien
            or section_6013_resident_alien_election
        )

american_opportunity_credit

Derived

source: 26 USC 25A(b), 25A(d), 25A(g)

- name: american_opportunity_credit
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(b), 25A(d), 25A(g)
  versions:
    - effective_from: '2026-01-01'
      formula: |-
        if education_credit_claim_requirements_satisfied:
            max(0, american_opportunity_credit_before_phaseout * (1 - education_credit_phaseout_rate))
        else:
            0

refundable_american_opportunity_credit

Derived

source: 26 USC 25A(i)

- name: refundable_american_opportunity_credit
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(i)
  versions:
    - effective_from: '2026-01-01'
      formula: |-
        if taxpayer_is_section_1_g_child:
            0
        else:
            american_opportunity_credit * aotc_refundable_rate

non_refundable_american_opportunity_credit_potential

Derived

source: 26 USC 25A(i)

- name: non_refundable_american_opportunity_credit_potential
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(i)
  versions:
    - effective_from: '2026-01-01'
      formula: american_opportunity_credit - refundable_american_opportunity_credit

non_refundable_american_opportunity_credit_credit_limit

Derived

source: 26 USC 25A(a), section 26(a), IRS Schedule 3 ordering

- name: non_refundable_american_opportunity_credit_credit_limit
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(a), section 26(a), IRS Schedule 3 ordering
  versions:
    - effective_from: '2026-01-01'
      formula: max(0, income_tax_before_credits - foreign_tax_credit - cdcc)

non_refundable_american_opportunity_credit

Derived

source: 26 USC 25A(i), section 26(a)

- name: non_refundable_american_opportunity_credit
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(i), section 26(a)
  versions:
    - effective_from: '2026-01-01'
      formula: >-
        min(non_refundable_american_opportunity_credit_credit_limit,
        non_refundable_american_opportunity_credit_potential)

llc_eligible_person

Derived

source: 26 USC 25A(c)(2)

- name: llc_eligible_person
  kind: derived
  entity: Person
  dtype: Judgment
  period: Year
  source: 26 USC 25A(c)(2)
  versions:
    - effective_from: '2026-01-01'
      formula: |-
        education_credit_election_in_effect
        and education_credit_person_eligible_relationship
        and education_credit_identification_requirements_met
        and payee_statement_received
        and not aotc_claim_allowed

llc_expenses_before_cap

Derived

source: 26 USC 25A(c)(1), 25A(c)(2)

- name: llc_expenses_before_cap
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(c)(1), 25A(c)(2)
  versions:
    - effective_from: '2026-01-01'
      formula: |-
        sum_where(
            education_credit_member_of_tax_unit,
            education_credit_adjusted_expenses,
            llc_eligible_person
        )

llc_capped_expenses

Derived

source: 26 USC 25A(c)(1)

- name: llc_capped_expenses
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(c)(1)
  versions:
    - effective_from: '2026-01-01'
      formula: min(llc_expenses_before_cap, llc_expense_limit)

lifetime_learning_credit_potential

Derived

source: 26 USC 25A(c), 25A(d), 25A(g)

- name: lifetime_learning_credit_potential
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(c), 25A(d), 25A(g)
  versions:
    - effective_from: '2026-01-01'
      formula: |-
        if education_credit_claim_requirements_satisfied:
            max(0, llc_capped_expenses * llc_rate * (1 - education_credit_phaseout_rate))
        else:
            0

lifetime_learning_credit_credit_limit

Derived

source: 26 USC 25A(a), section 26(a), IRS Schedule 3 ordering

- name: lifetime_learning_credit_credit_limit
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(a), section 26(a), IRS Schedule 3 ordering
  versions:
    - effective_from: '2026-01-01'
      formula: >-
        max(0, income_tax_before_credits - foreign_tax_credit - cdcc -
        non_refundable_american_opportunity_credit)

lifetime_learning_credit

Derived

source: 26 USC 25A(c), section 26(a)

- name: lifetime_learning_credit
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(c), section 26(a)
  versions:
    - effective_from: '2026-01-01'
      formula: min(lifetime_learning_credit_credit_limit, lifetime_learning_credit_potential)

education_credit_before_refund_split

Derived

source: 26 USC 25A(a), 25A(i)

- name: education_credit_before_refund_split
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(a), 25A(i)
  versions:
    - effective_from: '2026-01-01'
      formula: american_opportunity_credit + lifetime_learning_credit

education_tax_credits

Derived

source: 26 USC 25A(a), 25A(i), section 26(a)

- name: education_tax_credits
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(a), 25A(i), section 26(a)
  versions:
    - effective_from: '2026-01-01'
      formula: non_refundable_american_opportunity_credit + lifetime_learning_credit

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us/statute/26/25A/b/3 — Eligible student · Axiom

Eligible student

1 rule

Official source

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For purposes of this subsection, the term “eligible student” means, with respect to any academic period, a student who—

(A) meets the requirements of section 484(a)(1) of the Higher Education Act of 1965 ( 20 U.S.C. 1091(a)(1) ), as in effect on the date of the enactment of this section, and

(B) is carrying at least ½ the normal full-time work load for the course of study the student is pursuing.

in view

Whole section

Encodings · 1

aotc_eligible_student26 USC § 25A (b)(3) · derived

26 USC 25A(b)(2)(B), 25A(b)(3)

name: aotc_eligible_student
kind: derived
entity: Person
dtype: Judgment
period: Year
source: 26 USC 25A(b)(2)(B), 25A(b)(3)
versions:
  - effective_from: '2026-01-01'
    formula: |-
      meets_higher_education_act_student_requirements
      and at_least_half_time_student

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Rules

Data relation education_credit_member_of_tax_unit

#education_credit_member_of_tax_unit

Data Relation

arity: 2

- name: education_credit_member_of_tax_unit
  kind: data_relation
  data_relation:
    arity: 2

aotc_first_expense_rate

Parameter

source: 26 USC 25A(b)(1)(A)

- name: aotc_first_expense_rate
  kind: parameter
  dtype: Rate
  source: 26 USC 25A(b)(1)(A)
  versions:
    - effective_from: '2026-01-01'
      formula: '1.0'

aotc_first_expense_threshold

Parameter

source: 26 USC 25A(b)(1)(A)

- name: aotc_first_expense_threshold
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 25A(b)(1)(A)
  versions:
    - effective_from: '2026-01-01'
      formula: '2000'

aotc_second_expense_rate

Parameter

source: 26 USC 25A(b)(1)(B)

- name: aotc_second_expense_rate
  kind: parameter
  dtype: Rate
  source: 26 USC 25A(b)(1)(B)
  versions:
    - effective_from: '2026-01-01'
      formula: '0.25'

aotc_second_expense_threshold

Parameter

source: 26 USC 25A(b)(1)(B)

- name: aotc_second_expense_threshold
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 25A(b)(1)(B)
  versions:
    - effective_from: '2026-01-01'
      formula: '4000'

aotc_prior_year_limit

Parameter

source: 26 USC 25A(b)(2)(A)

- name: aotc_prior_year_limit
  kind: parameter
  dtype: Integer
  source: 26 USC 25A(b)(2)(A)
  versions:
    - effective_from: '2026-01-01'
      formula: '4'

llc_rate

Parameter

source: 26 USC 25A(c)(1)

- name: llc_rate
  kind: parameter
  dtype: Rate
  source: 26 USC 25A(c)(1)
  versions:
    - effective_from: '2026-01-01'
      formula: '0.20'

llc_expense_limit

Parameter

source: 26 USC 25A(c)(1)

- name: llc_expense_limit
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 25A(c)(1)
  versions:
    - effective_from: '2026-01-01'
      formula: '10000'

education_credit_phaseout_start_single

Parameter

source: 26 USC 25A(d)(1)(A)(ii)

- name: education_credit_phaseout_start_single
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 25A(d)(1)(A)(ii)
  versions:
    - effective_from: '2026-01-01'
      formula: '80000'

education_credit_phaseout_start_joint

Parameter

source: 26 USC 25A(d)(1)(A)(ii)

- name: education_credit_phaseout_start_joint
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 25A(d)(1)(A)(ii)
  versions:
    - effective_from: '2026-01-01'
      formula: '160000'

education_credit_phaseout_length_single

Parameter

source: 26 USC 25A(d)(1)(B)

- name: education_credit_phaseout_length_single
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 25A(d)(1)(B)
  versions:
    - effective_from: '2026-01-01'
      formula: '10000'

education_credit_phaseout_length_joint

Parameter

source: 26 USC 25A(d)(1)(B)

- name: education_credit_phaseout_length_joint
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 25A(d)(1)(B)
  versions:
    - effective_from: '2026-01-01'
      formula: '20000'

aotc_refundable_rate

Parameter

source: 26 USC 25A(i)

- name: aotc_refundable_rate
  kind: parameter
  dtype: Rate
  source: 26 USC 25A(i)
  versions:
    - effective_from: '2026-01-01'
      formula: '0.40'

education_credit_adjusted_expenses

Derived

source: 26 USC 25A(g)(2)

- name: education_credit_adjusted_expenses
  kind: derived
  entity: Person
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(g)(2)
  versions:
    - effective_from: '2026-01-01'
      formula: max(0, qualified_tuition_and_related_expenses - excludable_educational_assistance)

education_credit_person_eligible_relationship

Derived

source: 26 USC 25A(f)(1)(A)

- name: education_credit_person_eligible_relationship
  kind: derived
  entity: Person
  dtype: Judgment
  period: Year
  source: 26 USC 25A(f)(1)(A)
  versions:
    - effective_from: '2026-01-01'
      formula: |-
        is_taxpayer
        or is_spouse
        or is_tax_unit_dependent

aotc_eligible_student

Derived

source: 26 USC 25A(b)(2)(B), 25A(b)(3)

- name: aotc_eligible_student
  kind: derived
  entity: Person
  dtype: Judgment
  period: Year
  source: 26 USC 25A(b)(2)(B), 25A(b)(3)
  versions:
    - effective_from: '2026-01-01'
      formula: |-
        meets_higher_education_act_student_requirements
        and at_least_half_time_student

aotc_student_year_eligible

Derived

source: 26 USC 25A(b)(2)

- name: aotc_student_year_eligible
  kind: derived
  entity: Person
  dtype: Judgment
  period: Year
  source: 26 USC 25A(b)(2)
  versions:
    - effective_from: '2026-01-01'
      formula: |-
        aotc_eligible_student
        and aotc_prior_year_election_count < aotc_prior_year_limit
        and not completed_first_four_years_postsecondary_before_year
        and not has_felony_drug_conviction

aotc_claim_allowed

Derived

source: 26 USC 25A(b), 25A(g)(1), 25A(g)(8)

- name: aotc_claim_allowed
  kind: derived
  entity: Person
  dtype: Judgment
  period: Year
  source: 26 USC 25A(b), 25A(g)(1), 25A(g)(8)
  versions:
    - effective_from: '2026-01-01'
      formula: |-
        aotc_election_in_effect
        and education_credit_person_eligible_relationship
        and aotc_student_year_eligible
        and education_credit_identification_requirements_met
        and institution_employer_identification_number_included
        and payee_statement_received
        and not aotc_disallowance_period_applies

aotc_student_first_band_expenses

Derived

source: 26 USC 25A(b)(1)(A)

- name: aotc_student_first_band_expenses
  kind: derived
  entity: Person
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(b)(1)(A)
  versions:
    - effective_from: '2026-01-01'
      formula: min(education_credit_adjusted_expenses, aotc_first_expense_threshold)

aotc_student_second_band_expenses

Derived

source: 26 USC 25A(b)(1)(B)

- name: aotc_student_second_band_expenses
  kind: derived
  entity: Person
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(b)(1)(B)
  versions:
    - effective_from: '2026-01-01'
      formula: >-
        max(0, min(education_credit_adjusted_expenses, aotc_second_expense_threshold) -
        aotc_first_expense_threshold)

aotc_student_potential

Derived

source: 26 USC 25A(b)(1)

- name: aotc_student_potential
  kind: derived
  entity: Person
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(b)(1)
  versions:
    - effective_from: '2026-01-01'
      formula: |-
        (aotc_student_first_band_expenses * aotc_first_expense_rate)
        + (aotc_student_second_band_expenses * aotc_second_expense_rate)

american_opportunity_credit_before_phaseout

Derived

source: 26 USC 25A(b)(1), aggregated over eligible students

- name: american_opportunity_credit_before_phaseout
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(b)(1), aggregated over eligible students
  versions:
    - effective_from: '2026-01-01'
      formula: |-
        sum_where(
            education_credit_member_of_tax_unit,
            aotc_student_potential,
            aotc_claim_allowed
        )

education_credit_phaseout_start

Derived

source: 26 USC 25A(d)(1)(A)(ii)

- name: education_credit_phaseout_start
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(d)(1)(A)(ii)
  versions:
    - effective_from: '2026-01-01'
      formula: |-
        if filing_status == 1:
            education_credit_phaseout_start_joint
        else:
            education_credit_phaseout_start_single

education_credit_phaseout_length

Derived

source: 26 USC 25A(d)(1)(B)

- name: education_credit_phaseout_length
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(d)(1)(B)
  versions:
    - effective_from: '2026-01-01'
      formula: |-
        if filing_status == 1:
            education_credit_phaseout_length_joint
        else:
            education_credit_phaseout_length_single

education_credit_phaseout_excess

Derived

source: 26 USC 25A(d)(1)

- name: education_credit_phaseout_excess
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(d)(1)
  versions:
    - effective_from: '2026-01-01'
      formula: max(0, modified_adjusted_gross_income - education_credit_phaseout_start)

education_credit_phaseout_rate

Derived

source: 26 USC 25A(d)(1)

- name: education_credit_phaseout_rate
  kind: derived
  entity: TaxUnit
  dtype: Rate
  period: Year
  source: 26 USC 25A(d)(1)
  versions:
    - effective_from: '2026-01-01'
      formula: min(1, education_credit_phaseout_excess / education_credit_phaseout_length)

education_credit_claim_requirements_satisfied

Derived

source: 26 USC 25A(g)(6), 25A(g)(7)

- name: education_credit_claim_requirements_satisfied
  kind: derived
  entity: TaxUnit
  dtype: Judgment
  period: Year
  source: 26 USC 25A(g)(6), 25A(g)(7)
  versions:
    - effective_from: '2026-01-01'
      formula: |-
        filing_status != 2
        and (
            not is_nonresident_alien
            or section_6013_resident_alien_election
        )

american_opportunity_credit

Derived

source: 26 USC 25A(b), 25A(d), 25A(g)

- name: american_opportunity_credit
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(b), 25A(d), 25A(g)
  versions:
    - effective_from: '2026-01-01'
      formula: |-
        if education_credit_claim_requirements_satisfied:
            max(0, american_opportunity_credit_before_phaseout * (1 - education_credit_phaseout_rate))
        else:
            0

refundable_american_opportunity_credit

Derived

source: 26 USC 25A(i)

- name: refundable_american_opportunity_credit
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(i)
  versions:
    - effective_from: '2026-01-01'
      formula: |-
        if taxpayer_is_section_1_g_child:
            0
        else:
            american_opportunity_credit * aotc_refundable_rate

non_refundable_american_opportunity_credit_potential

Derived

source: 26 USC 25A(i)

- name: non_refundable_american_opportunity_credit_potential
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(i)
  versions:
    - effective_from: '2026-01-01'
      formula: american_opportunity_credit - refundable_american_opportunity_credit

non_refundable_american_opportunity_credit_credit_limit

Derived

source: 26 USC 25A(a), section 26(a), IRS Schedule 3 ordering

- name: non_refundable_american_opportunity_credit_credit_limit
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(a), section 26(a), IRS Schedule 3 ordering
  versions:
    - effective_from: '2026-01-01'
      formula: max(0, income_tax_before_credits - foreign_tax_credit - cdcc)

non_refundable_american_opportunity_credit

Derived

source: 26 USC 25A(i), section 26(a)

- name: non_refundable_american_opportunity_credit
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(i), section 26(a)
  versions:
    - effective_from: '2026-01-01'
      formula: >-
        min(non_refundable_american_opportunity_credit_credit_limit,
        non_refundable_american_opportunity_credit_potential)

llc_eligible_person

Derived

source: 26 USC 25A(c)(2)

- name: llc_eligible_person
  kind: derived
  entity: Person
  dtype: Judgment
  period: Year
  source: 26 USC 25A(c)(2)
  versions:
    - effective_from: '2026-01-01'
      formula: |-
        education_credit_election_in_effect
        and education_credit_person_eligible_relationship
        and education_credit_identification_requirements_met
        and payee_statement_received
        and not aotc_claim_allowed

llc_expenses_before_cap

Derived

source: 26 USC 25A(c)(1), 25A(c)(2)

- name: llc_expenses_before_cap
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(c)(1), 25A(c)(2)
  versions:
    - effective_from: '2026-01-01'
      formula: |-
        sum_where(
            education_credit_member_of_tax_unit,
            education_credit_adjusted_expenses,
            llc_eligible_person
        )

llc_capped_expenses

Derived

source: 26 USC 25A(c)(1)

- name: llc_capped_expenses
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(c)(1)
  versions:
    - effective_from: '2026-01-01'
      formula: min(llc_expenses_before_cap, llc_expense_limit)

lifetime_learning_credit_potential

Derived

source: 26 USC 25A(c), 25A(d), 25A(g)

- name: lifetime_learning_credit_potential
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(c), 25A(d), 25A(g)
  versions:
    - effective_from: '2026-01-01'
      formula: |-
        if education_credit_claim_requirements_satisfied:
            max(0, llc_capped_expenses * llc_rate * (1 - education_credit_phaseout_rate))
        else:
            0

lifetime_learning_credit_credit_limit

Derived

source: 26 USC 25A(a), section 26(a), IRS Schedule 3 ordering

- name: lifetime_learning_credit_credit_limit
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(a), section 26(a), IRS Schedule 3 ordering
  versions:
    - effective_from: '2026-01-01'
      formula: >-
        max(0, income_tax_before_credits - foreign_tax_credit - cdcc -
        non_refundable_american_opportunity_credit)

lifetime_learning_credit

Derived

source: 26 USC 25A(c), section 26(a)

- name: lifetime_learning_credit
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(c), section 26(a)
  versions:
    - effective_from: '2026-01-01'
      formula: min(lifetime_learning_credit_credit_limit, lifetime_learning_credit_potential)

education_credit_before_refund_split

Derived

source: 26 USC 25A(a), 25A(i)

- name: education_credit_before_refund_split
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(a), 25A(i)
  versions:
    - effective_from: '2026-01-01'
      formula: american_opportunity_credit + lifetime_learning_credit

education_tax_credits

Derived

source: 26 USC 25A(a), 25A(i), section 26(a)

- name: education_tax_credits
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25A(a), 25A(i), section 26(a)
  versions:
    - effective_from: '2026-01-01'
      formula: non_refundable_american_opportunity_credit + lifetime_learning_credit