loading…

Building envelope component

The term “building envelope component” means—

(A) any insulation material or system, including air sealing material or system, which is specifically and primarily designed to reduce the heat loss or gain of a dwelling unit when installed in or on such dwelling unit,

(B) exterior windows (including skylights), and

in view

Whole section

▸rulespec code

Shown source

statutes/26/25C.yaml

Displaying the canonical repository encoding.

This encoding covers the parent provision us/statute/26/25C; no dedicated encoding exists for this exact provision yet.

View on GitHub

Rules

energy_efficient_home_improvement_credit_rate

Parameter

source: 26 USC 25C(a)

- name: energy_efficient_home_improvement_credit_rate
  kind: parameter
  dtype: Rate
  source: 26 USC 25C(a)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: parameter
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: 30 percent
  versions:
    - effective_from: '2023-01-01'
      formula: '0.30'

general_annual_credit_limit

Parameter

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

- name: general_annual_credit_limit
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 25C(b)(1)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: amount
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: shall not exceed $1,200
  versions:
    - effective_from: '2023-01-01'
      formula: '1200'

qualified_energy_property_item_credit_limit

Parameter

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

- name: qualified_energy_property_item_credit_limit
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 25C(b)(2)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: amount
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: with respect to any item of qualified energy property, $600
  versions:
    - effective_from: '2023-01-01'
      formula: '600'

windows_and_skylights_aggregate_credit_limit

Parameter

source: 26 USC 25C(b)(3)

- name: windows_and_skylights_aggregate_credit_limit
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 25C(b)(3)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: amount
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: all exterior windows and skylights, $600
  versions:
    - effective_from: '2023-01-01'
      formula: '600'

exterior_door_per_door_credit_limit

Parameter

source: 26 USC 25C(b)(4)(A)

- name: exterior_door_per_door_credit_limit
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 25C(b)(4)(A)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: amount
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: $250 in the case of any exterior door
  versions:
    - effective_from: '2023-01-01'
      formula: '250'

exterior_doors_aggregate_credit_limit

Parameter

source: 26 USC 25C(b)(4)(B)

- name: exterior_doors_aggregate_credit_limit
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 25C(b)(4)(B)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: amount
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: $500 in the aggregate with respect to all exterior doors
  versions:
    - effective_from: '2023-01-01'
      formula: '500'

heat_pump_biomass_aggregate_credit_limit

Parameter

source: 26 USC 25C(b)(5)

- name: heat_pump_biomass_aggregate_credit_limit
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 25C(b)(5)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: amount
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: shall not, in the aggregate, exceed $2,000
  versions:
    - effective_from: '2023-01-01'
      formula: '2000'

home_energy_audit_credit_limit

Parameter

source: 26 USC 25C(b)(6)(A)

- name: home_energy_audit_credit_limit
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 25C(b)(6)(A)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: amount
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: shall not exceed $150
  versions:
    - effective_from: '2023-01-01'
      formula: '150'

qualified_energy_efficiency_improvement_minimum_expected_use_years

Parameter

source: 26 USC 25C(c)

- name: qualified_energy_efficiency_improvement_minimum_expected_use_years
  kind: parameter
  dtype: Integer
  source: 26 USC 25C(c)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: parameter
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: remain in use for at least 5 years
  versions:
    - effective_from: '2023-01-01'
      formula: '5'

biomass_stove_or_boiler_minimum_thermal_efficiency_rate

Parameter

source: 26 USC 25C(d)

- name: biomass_stove_or_boiler_minimum_thermal_efficiency_rate
  kind: parameter
  dtype: Rate
  source: 26 USC 25C(d)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: parameter
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: thermal efficiency rating of at least 75 percent
  versions:
    - effective_from: '2023-01-01'
      formula: '0.75'

panelboard_minimum_load_capacity_amps

Parameter

source: 26 USC 25C(d)

- name: panelboard_minimum_load_capacity_amps
  kind: parameter
  dtype: Integer
  source: 26 USC 25C(d)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: parameter
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: load capacity of not less than 200 amps
  versions:
    - effective_from: '2023-01-01'
      formula: '200'

eligible_fuel_blend_minimum_volume_rate

Parameter

source: 26 USC 25C(d)

- name: eligible_fuel_blend_minimum_volume_rate
  kind: parameter
  dtype: Rate
  source: 26 USC 25C(d)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: parameter
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: at least 20 percent of the volume
  versions:
    - effective_from: '2023-01-01'
      formula: '0.20'

home_energy_auditor_guidance_deadline_days_after_enactment

Parameter

source: 26 USC 25C(e)

- name: home_energy_auditor_guidance_deadline_days_after_enactment
  kind: parameter
  dtype: Integer
  source: 26 USC 25C(e)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: parameter
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: not later than 365 days after the date of the enactment
  versions:
    - effective_from: '2023-01-01'
      formula: '365'

windows_and_skylights_credit

Derived

source: 26 USC 25C(a)(1), 26 USC 25C(b)(3)

- name: windows_and_skylights_credit
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25C(a)(1), 26 USC 25C(b)(3)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: formula
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: 30 percent of ... qualified energy efficiency improvements
        - path: versions[0].formula
          kind: import
          import:
            target: us:statutes/26/25C#windows_and_skylights_aggregate_credit_limit
            output: windows_and_skylights_aggregate_credit_limit
            hash: sha256:local
  versions:
    - effective_from: '2023-01-01'
      formula: |-
        min(
            energy_efficient_home_improvement_credit_rate
            * max(0, qualified_exterior_windows_and_skylights_expenditures),
            windows_and_skylights_aggregate_credit_limit
        )

exterior_doors_credit

Derived

source: 26 USC 25C(a)(1), 26 USC 25C(b)(4)

- name: exterior_doors_credit
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25C(a)(1), 26 USC 25C(b)(4)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: formula
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: 30 percent of ... qualified energy efficiency improvements
        - path: versions[0].formula
          kind: import
          import:
            target: us:statutes/26/25C#exterior_door_per_door_credit_limit
            output: exterior_door_per_door_credit_limit
            hash: sha256:local
        - path: versions[0].formula
          kind: import
          import:
            target: us:statutes/26/25C#exterior_doors_aggregate_credit_limit
            output: exterior_doors_aggregate_credit_limit
            hash: sha256:local
  versions:
    - effective_from: '2023-01-01'
      formula: |-
        min(
            energy_efficient_home_improvement_credit_rate
            * max(0, qualified_exterior_door_expenditures),
            min(
                exterior_doors_aggregate_credit_limit,
                exterior_door_count * exterior_door_per_door_credit_limit
            )
        )

other_envelope_improvements_credit

Derived

source: 26 USC 25C(a)(1)

- name: other_envelope_improvements_credit
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25C(a)(1)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: formula
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: amount paid or incurred by the taxpayer for qualified energy efficiency improvements
  versions:
    - effective_from: '2023-01-01'
      formula: >-
        energy_efficient_home_improvement_credit_rate

        * max(0,
        qualified_energy_efficiency_improvements_excluding_windows_skylights_and_doors_expenditures)

non_heat_pump_residential_energy_property_credit

Derived

source: 26 USC 25C(a)(2), 26 USC 25C(b)(2)

- name: non_heat_pump_residential_energy_property_credit
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25C(a)(2), 26 USC 25C(b)(2)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: formula
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: residential energy property expenditures paid or incurred
        - path: versions[0].formula
          kind: import
          import:
            target: us:statutes/26/25C#qualified_energy_property_item_credit_limit
            output: qualified_energy_property_item_credit_limit
            hash: sha256:local
  versions:
    - effective_from: '2023-01-01'
      formula: |-
        min(
            energy_efficient_home_improvement_credit_rate
            * max(0, qualified_residential_energy_property_expenditures_excluding_heat_pump_biomass_and_panelboard),
            qualified_energy_property_item_credit_limit
        )
        + min(
            energy_efficient_home_improvement_credit_rate
            * max(0, qualified_panelboard_expenditures),
            qualified_energy_property_item_credit_limit
        )

heat_pump_biomass_credit

Derived

source: 26 USC 25C(a)(2), 26 USC 25C(b)(5)

- name: heat_pump_biomass_credit
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25C(a)(2), 26 USC 25C(b)(5)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: formula
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: >-
              property described in clauses (i) and (ii) of subsection (d)(2)(A) and in subsection
              (d)(2)(B)
        - path: versions[0].formula
          kind: import
          import:
            target: us:statutes/26/25C#heat_pump_biomass_aggregate_credit_limit
            output: heat_pump_biomass_aggregate_credit_limit
            hash: sha256:local
  versions:
    - effective_from: '2023-01-01'
      formula: |-
        min(
            energy_efficient_home_improvement_credit_rate
            * max(0, qualified_heat_pump_heat_pump_water_heater_biomass_stove_or_boiler_expenditures),
            heat_pump_biomass_aggregate_credit_limit
        )

home_energy_audit_credit

Derived

source: 26 USC 25C(a)(3), 26 USC 25C(b)(6)

- name: home_energy_audit_credit
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25C(a)(3), 26 USC 25C(b)(6)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: formula
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: amount paid or incurred ... for home energy audits
        - path: versions[0].formula
          kind: condition
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: >-
              unless the taxpayer includes with the taxpayer’s return ... information or
              documentation
        - path: versions[0].formula
          kind: import
          import:
            target: us:statutes/26/25C#home_energy_audit_credit_limit
            output: home_energy_audit_credit_limit
            hash: sha256:local
  versions:
    - effective_from: '2023-01-01'
      formula: >-
        if home_energy_audit_substantiation_included_with_return: min(
        energy_efficient_home_improvement_credit_rate * max(0,
        qualified_home_energy_audit_expenditures), home_energy_audit_credit_limit ) else: 0

general_limited_credit_before_heat_pump_biomass

Derived

source: 26 USC 25C(a), 26 USC 25C(b)(1)

- name: general_limited_credit_before_heat_pump_biomass
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25C(a), 26 USC 25C(b)(1)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: formula
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: shall not exceed $1,200
        - path: versions[0].formula
          kind: import
          import:
            target: us:statutes/26/25C#windows_and_skylights_credit
            output: windows_and_skylights_credit
            hash: sha256:local
        - path: versions[0].formula
          kind: import
          import:
            target: us:statutes/26/25C#exterior_doors_credit
            output: exterior_doors_credit
            hash: sha256:local
        - path: versions[0].formula
          kind: import
          import:
            target: us:statutes/26/25C#other_envelope_improvements_credit
            output: other_envelope_improvements_credit
            hash: sha256:local
        - path: versions[0].formula
          kind: import
          import:
            target: us:statutes/26/25C#non_heat_pump_residential_energy_property_credit
            output: non_heat_pump_residential_energy_property_credit
            hash: sha256:local
        - path: versions[0].formula
          kind: import
          import:
            target: us:statutes/26/25C#home_energy_audit_credit
            output: home_energy_audit_credit
            hash: sha256:local
  versions:
    - effective_from: '2023-01-01'
      formula: |-
        min(
            general_annual_credit_limit,
            windows_and_skylights_credit
            + exterior_doors_credit
            + other_envelope_improvements_credit
            + non_heat_pump_residential_energy_property_credit
            + home_energy_audit_credit
        )

energy_efficient_home_improvement_credit_before_termination_and_pin_gate

Derived

source: 26 USC 25C(a), 26 USC 25C(b)

- name: energy_efficient_home_improvement_credit_before_termination_and_pin_gate
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25C(a), 26 USC 25C(b)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: formula
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: 30 percent of the sum
        - path: versions[0].formula
          kind: import
          import:
            target: us:statutes/26/25C#general_limited_credit_before_heat_pump_biomass
            output: general_limited_credit_before_heat_pump_biomass
            hash: sha256:local
        - path: versions[0].formula
          kind: import
          import:
            target: us:statutes/26/25C#heat_pump_biomass_credit
            output: heat_pump_biomass_credit
            hash: sha256:local
  versions:
    - effective_from: '2023-01-01'
      formula: |-
        general_limited_credit_before_heat_pump_biomass
        + heat_pump_biomass_credit

energy_efficient_home_improvement_credit

Derived

source: 26 USC 25C(a), 26 USC 25C(h), 26 USC 25C(i)

- name: energy_efficient_home_improvement_credit
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25C(a), 26 USC 25C(h), 26 USC 25C(i)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: exception
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: >-
              No credit shall be allowed ... specified property placed in service after December 31,
              2024
        - path: versions[0].formula
          kind: effective_period
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: shall not apply with respect to any property placed in service after December 31, 2025
        - path: versions[0].formula
          kind: import
          import:
            target: >-
              us:statutes/26/25C#energy_efficient_home_improvement_credit_before_termination_and_pin_gate
            output: energy_efficient_home_improvement_credit_before_termination_and_pin_gate
            hash: sha256:local
  versions:
    - effective_from: '2023-01-01'
      formula: |-
        if property_placed_in_service_after_termination_date:
            0
        else:
            if specified_property_pin_requirement_applies_and_is_not_satisfied:
                0
            else:
                energy_efficient_home_improvement_credit_before_termination_and_pin_gate

basis_increase_reduction_for_credited_property_expenditure

Derived

source: 26 USC 25C(g)

- name: basis_increase_reduction_for_credited_property_expenditure
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25C(g)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: formula
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: increase in the basis ... shall be reduced by the amount of the credit so allowed
        - path: versions[0].formula
          kind: import
          import:
            target: us:statutes/26/25C#energy_efficient_home_improvement_credit
            output: energy_efficient_home_improvement_credit
            hash: sha256:local
  versions:
    - effective_from: '2023-01-01'
      formula: energy_efficient_home_improvement_credit

loading…

us/statute/26/25C/c/3 — Building envelope component · Axiom

Building envelope component

Official source

The term “building envelope component” means—

(B) exterior windows (including skylights), and

in view

Whole section

▸rulespec code

Shown source

statutes/26/25C.yaml

Displaying the canonical repository encoding.

This encoding covers the parent provision us/statute/26/25C; no dedicated encoding exists for this exact provision yet.

View on GitHub

Rules

energy_efficient_home_improvement_credit_rate

Parameter

source: 26 USC 25C(a)

- name: energy_efficient_home_improvement_credit_rate
  kind: parameter
  dtype: Rate
  source: 26 USC 25C(a)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: parameter
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: 30 percent
  versions:
    - effective_from: '2023-01-01'
      formula: '0.30'

general_annual_credit_limit

Parameter

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

- name: general_annual_credit_limit
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 25C(b)(1)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: amount
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: shall not exceed $1,200
  versions:
    - effective_from: '2023-01-01'
      formula: '1200'

qualified_energy_property_item_credit_limit

Parameter

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

- name: qualified_energy_property_item_credit_limit
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 25C(b)(2)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: amount
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: with respect to any item of qualified energy property, $600
  versions:
    - effective_from: '2023-01-01'
      formula: '600'

windows_and_skylights_aggregate_credit_limit

Parameter

source: 26 USC 25C(b)(3)

- name: windows_and_skylights_aggregate_credit_limit
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 25C(b)(3)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: amount
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: all exterior windows and skylights, $600
  versions:
    - effective_from: '2023-01-01'
      formula: '600'

exterior_door_per_door_credit_limit

Parameter

source: 26 USC 25C(b)(4)(A)

- name: exterior_door_per_door_credit_limit
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 25C(b)(4)(A)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: amount
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: $250 in the case of any exterior door
  versions:
    - effective_from: '2023-01-01'
      formula: '250'

exterior_doors_aggregate_credit_limit

Parameter

source: 26 USC 25C(b)(4)(B)

- name: exterior_doors_aggregate_credit_limit
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 25C(b)(4)(B)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: amount
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: $500 in the aggregate with respect to all exterior doors
  versions:
    - effective_from: '2023-01-01'
      formula: '500'

heat_pump_biomass_aggregate_credit_limit

Parameter

source: 26 USC 25C(b)(5)

- name: heat_pump_biomass_aggregate_credit_limit
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 25C(b)(5)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: amount
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: shall not, in the aggregate, exceed $2,000
  versions:
    - effective_from: '2023-01-01'
      formula: '2000'

home_energy_audit_credit_limit

Parameter

source: 26 USC 25C(b)(6)(A)

- name: home_energy_audit_credit_limit
  kind: parameter
  dtype: Money
  unit: USD
  source: 26 USC 25C(b)(6)(A)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: amount
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: shall not exceed $150
  versions:
    - effective_from: '2023-01-01'
      formula: '150'

qualified_energy_efficiency_improvement_minimum_expected_use_years

Parameter

source: 26 USC 25C(c)

- name: qualified_energy_efficiency_improvement_minimum_expected_use_years
  kind: parameter
  dtype: Integer
  source: 26 USC 25C(c)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: parameter
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: remain in use for at least 5 years
  versions:
    - effective_from: '2023-01-01'
      formula: '5'

biomass_stove_or_boiler_minimum_thermal_efficiency_rate

Parameter

source: 26 USC 25C(d)

- name: biomass_stove_or_boiler_minimum_thermal_efficiency_rate
  kind: parameter
  dtype: Rate
  source: 26 USC 25C(d)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: parameter
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: thermal efficiency rating of at least 75 percent
  versions:
    - effective_from: '2023-01-01'
      formula: '0.75'

panelboard_minimum_load_capacity_amps

Parameter

source: 26 USC 25C(d)

- name: panelboard_minimum_load_capacity_amps
  kind: parameter
  dtype: Integer
  source: 26 USC 25C(d)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: parameter
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: load capacity of not less than 200 amps
  versions:
    - effective_from: '2023-01-01'
      formula: '200'

eligible_fuel_blend_minimum_volume_rate

Parameter

source: 26 USC 25C(d)

- name: eligible_fuel_blend_minimum_volume_rate
  kind: parameter
  dtype: Rate
  source: 26 USC 25C(d)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: parameter
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: at least 20 percent of the volume
  versions:
    - effective_from: '2023-01-01'
      formula: '0.20'

home_energy_auditor_guidance_deadline_days_after_enactment

Parameter

source: 26 USC 25C(e)

- name: home_energy_auditor_guidance_deadline_days_after_enactment
  kind: parameter
  dtype: Integer
  source: 26 USC 25C(e)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: parameter
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: not later than 365 days after the date of the enactment
  versions:
    - effective_from: '2023-01-01'
      formula: '365'

windows_and_skylights_credit

Derived

source: 26 USC 25C(a)(1), 26 USC 25C(b)(3)

- name: windows_and_skylights_credit
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25C(a)(1), 26 USC 25C(b)(3)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: formula
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: 30 percent of ... qualified energy efficiency improvements
        - path: versions[0].formula
          kind: import
          import:
            target: us:statutes/26/25C#windows_and_skylights_aggregate_credit_limit
            output: windows_and_skylights_aggregate_credit_limit
            hash: sha256:local
  versions:
    - effective_from: '2023-01-01'
      formula: |-
        min(
            energy_efficient_home_improvement_credit_rate
            * max(0, qualified_exterior_windows_and_skylights_expenditures),
            windows_and_skylights_aggregate_credit_limit
        )

exterior_doors_credit

Derived

source: 26 USC 25C(a)(1), 26 USC 25C(b)(4)

- name: exterior_doors_credit
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25C(a)(1), 26 USC 25C(b)(4)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: formula
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: 30 percent of ... qualified energy efficiency improvements
        - path: versions[0].formula
          kind: import
          import:
            target: us:statutes/26/25C#exterior_door_per_door_credit_limit
            output: exterior_door_per_door_credit_limit
            hash: sha256:local
        - path: versions[0].formula
          kind: import
          import:
            target: us:statutes/26/25C#exterior_doors_aggregate_credit_limit
            output: exterior_doors_aggregate_credit_limit
            hash: sha256:local
  versions:
    - effective_from: '2023-01-01'
      formula: |-
        min(
            energy_efficient_home_improvement_credit_rate
            * max(0, qualified_exterior_door_expenditures),
            min(
                exterior_doors_aggregate_credit_limit,
                exterior_door_count * exterior_door_per_door_credit_limit
            )
        )

other_envelope_improvements_credit

Derived

source: 26 USC 25C(a)(1)

- name: other_envelope_improvements_credit
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25C(a)(1)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: formula
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: amount paid or incurred by the taxpayer for qualified energy efficiency improvements
  versions:
    - effective_from: '2023-01-01'
      formula: >-
        energy_efficient_home_improvement_credit_rate

        * max(0,
        qualified_energy_efficiency_improvements_excluding_windows_skylights_and_doors_expenditures)

non_heat_pump_residential_energy_property_credit

Derived

source: 26 USC 25C(a)(2), 26 USC 25C(b)(2)

- name: non_heat_pump_residential_energy_property_credit
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25C(a)(2), 26 USC 25C(b)(2)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: formula
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: residential energy property expenditures paid or incurred
        - path: versions[0].formula
          kind: import
          import:
            target: us:statutes/26/25C#qualified_energy_property_item_credit_limit
            output: qualified_energy_property_item_credit_limit
            hash: sha256:local
  versions:
    - effective_from: '2023-01-01'
      formula: |-
        min(
            energy_efficient_home_improvement_credit_rate
            * max(0, qualified_residential_energy_property_expenditures_excluding_heat_pump_biomass_and_panelboard),
            qualified_energy_property_item_credit_limit
        )
        + min(
            energy_efficient_home_improvement_credit_rate
            * max(0, qualified_panelboard_expenditures),
            qualified_energy_property_item_credit_limit
        )

heat_pump_biomass_credit

Derived

source: 26 USC 25C(a)(2), 26 USC 25C(b)(5)

- name: heat_pump_biomass_credit
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25C(a)(2), 26 USC 25C(b)(5)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: formula
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: >-
              property described in clauses (i) and (ii) of subsection (d)(2)(A) and in subsection
              (d)(2)(B)
        - path: versions[0].formula
          kind: import
          import:
            target: us:statutes/26/25C#heat_pump_biomass_aggregate_credit_limit
            output: heat_pump_biomass_aggregate_credit_limit
            hash: sha256:local
  versions:
    - effective_from: '2023-01-01'
      formula: |-
        min(
            energy_efficient_home_improvement_credit_rate
            * max(0, qualified_heat_pump_heat_pump_water_heater_biomass_stove_or_boiler_expenditures),
            heat_pump_biomass_aggregate_credit_limit
        )

home_energy_audit_credit

Derived

source: 26 USC 25C(a)(3), 26 USC 25C(b)(6)

- name: home_energy_audit_credit
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25C(a)(3), 26 USC 25C(b)(6)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: formula
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: amount paid or incurred ... for home energy audits
        - path: versions[0].formula
          kind: condition
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: >-
              unless the taxpayer includes with the taxpayer’s return ... information or
              documentation
        - path: versions[0].formula
          kind: import
          import:
            target: us:statutes/26/25C#home_energy_audit_credit_limit
            output: home_energy_audit_credit_limit
            hash: sha256:local
  versions:
    - effective_from: '2023-01-01'
      formula: >-
        if home_energy_audit_substantiation_included_with_return: min(
        energy_efficient_home_improvement_credit_rate * max(0,
        qualified_home_energy_audit_expenditures), home_energy_audit_credit_limit ) else: 0

general_limited_credit_before_heat_pump_biomass

Derived

source: 26 USC 25C(a), 26 USC 25C(b)(1)

- name: general_limited_credit_before_heat_pump_biomass
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25C(a), 26 USC 25C(b)(1)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: formula
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: shall not exceed $1,200
        - path: versions[0].formula
          kind: import
          import:
            target: us:statutes/26/25C#windows_and_skylights_credit
            output: windows_and_skylights_credit
            hash: sha256:local
        - path: versions[0].formula
          kind: import
          import:
            target: us:statutes/26/25C#exterior_doors_credit
            output: exterior_doors_credit
            hash: sha256:local
        - path: versions[0].formula
          kind: import
          import:
            target: us:statutes/26/25C#other_envelope_improvements_credit
            output: other_envelope_improvements_credit
            hash: sha256:local
        - path: versions[0].formula
          kind: import
          import:
            target: us:statutes/26/25C#non_heat_pump_residential_energy_property_credit
            output: non_heat_pump_residential_energy_property_credit
            hash: sha256:local
        - path: versions[0].formula
          kind: import
          import:
            target: us:statutes/26/25C#home_energy_audit_credit
            output: home_energy_audit_credit
            hash: sha256:local
  versions:
    - effective_from: '2023-01-01'
      formula: |-
        min(
            general_annual_credit_limit,
            windows_and_skylights_credit
            + exterior_doors_credit
            + other_envelope_improvements_credit
            + non_heat_pump_residential_energy_property_credit
            + home_energy_audit_credit
        )

energy_efficient_home_improvement_credit_before_termination_and_pin_gate

Derived

source: 26 USC 25C(a), 26 USC 25C(b)

- name: energy_efficient_home_improvement_credit_before_termination_and_pin_gate
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25C(a), 26 USC 25C(b)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: formula
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: 30 percent of the sum
        - path: versions[0].formula
          kind: import
          import:
            target: us:statutes/26/25C#general_limited_credit_before_heat_pump_biomass
            output: general_limited_credit_before_heat_pump_biomass
            hash: sha256:local
        - path: versions[0].formula
          kind: import
          import:
            target: us:statutes/26/25C#heat_pump_biomass_credit
            output: heat_pump_biomass_credit
            hash: sha256:local
  versions:
    - effective_from: '2023-01-01'
      formula: |-
        general_limited_credit_before_heat_pump_biomass
        + heat_pump_biomass_credit

energy_efficient_home_improvement_credit

Derived

source: 26 USC 25C(a), 26 USC 25C(h), 26 USC 25C(i)

- name: energy_efficient_home_improvement_credit
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25C(a), 26 USC 25C(h), 26 USC 25C(i)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: exception
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: >-
              No credit shall be allowed ... specified property placed in service after December 31,
              2024
        - path: versions[0].formula
          kind: effective_period
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: shall not apply with respect to any property placed in service after December 31, 2025
        - path: versions[0].formula
          kind: import
          import:
            target: >-
              us:statutes/26/25C#energy_efficient_home_improvement_credit_before_termination_and_pin_gate
            output: energy_efficient_home_improvement_credit_before_termination_and_pin_gate
            hash: sha256:local
  versions:
    - effective_from: '2023-01-01'
      formula: |-
        if property_placed_in_service_after_termination_date:
            0
        else:
            if specified_property_pin_requirement_applies_and_is_not_satisfied:
                0
            else:
                energy_efficient_home_improvement_credit_before_termination_and_pin_gate

basis_increase_reduction_for_credited_property_expenditure

Derived

source: 26 USC 25C(g)

- name: basis_increase_reduction_for_credited_property_expenditure
  kind: derived
  entity: TaxUnit
  dtype: Money
  period: Year
  unit: USD
  source: 26 USC 25C(g)
  metadata:
    proof:
      atoms:
        - path: versions[0].formula
          kind: formula
          source:
            corpus_citation_path: us/statute/26/25C
            excerpt: increase in the basis ... shall be reduced by the amount of the credit so allowed
        - path: versions[0].formula
          kind: import
          import:
            target: us:statutes/26/25C#energy_efficient_home_improvement_credit
            output: energy_efficient_home_improvement_credit
            hash: sha256:local
  versions:
    - effective_from: '2023-01-01'
      formula: energy_efficient_home_improvement_credit