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MaxGhenisclaude
MaxGhenis
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claude
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Zero out Income Support and income-based JSA after managed migration (#1631)
Income Support and income-based Jobseeker's Allowance were abolished on 31 March 2026 (last payments) following DWP's completion of managed migration to Universal Credit. New `gov.dwp.income_support.active` and `gov.dwp.JSA.income.active` bool parameters flip to false from 2026-04-01; the formulas now return zero when inactive. Contribution-based JSA is a separate scheme and remains active. Mirrors the Tax Credits phase-out template (#1619). Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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‎changelog.d/add-income-support-phaseout.fixed.md‎

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Zero out Income Support and income-based Jobseeker's Allowance after DWP managed migration completed on 31 March 2026. New parameters `gov.dwp.income_support.active` and `gov.dwp.JSA.income.active` flip to `false` from 2026-04-01, matching the Tax Credits treatment. Contribution-based JSA remains active.

‎policyengine_uk/parameters/gov/dwp/JSA/income/active.yaml‎

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description: Whether income-based Jobseeker's Allowance is actively paying awards. Income-based JSA closed to new claims with Universal Credit's rollout, and the remaining legacy caseload was migrated to UC under DWP's managed-migration programme; last payments were made on 31 March 2026. Contribution-based JSA is a separate scheme and remains active.
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values:
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1996-10-07: true
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2026-04-01: false
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metadata:
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label: Income-based JSA scheme active
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unit: bool
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reference:
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- title: "House of Commons Library: Completing Universal Credit rollout (CBP-9984)"
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href: https://commonslibrary.parliament.uk/research-briefings/cbp-9984/
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- title: "DWP: Successful DWP campaign leads to closure of historical benefits"
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href: https://www.gov.uk/government/news/successful-dwp-campaign-leads-to-closure-of-historical-benefits
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- title: "Jobseekers Act 1995"
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href: https://www.legislation.gov.uk/ukpga/1995/18/contents

‎policyengine_uk/parameters/gov/dwp/income_support/active.yaml‎

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description: Whether Income Support is actively paying awards. Income Support closed to new claims with Universal Credit's rollout, and the remaining legacy caseload was migrated to UC (or to Pension Credit for over-State-Pension-age claimants) under DWP's managed-migration programme; last payments were made on 31 March 2026.
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values:
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1988-04-11: true
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2026-04-01: false
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metadata:
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label: Income Support scheme active
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unit: bool
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reference:
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- title: "House of Commons Library: Completing Universal Credit rollout (CBP-9984)"
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href: https://commonslibrary.parliament.uk/research-briefings/cbp-9984/
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- title: "DWP: Successful DWP campaign leads to closure of historical benefits"
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href: https://www.gov.uk/government/news/successful-dwp-campaign-leads-to-closure-of-historical-benefits
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- title: "DWP: Move to Universal Credit — insight on Income Support and Housing Benefit"
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href: https://www.gov.uk/government/publications/move-to-universal-credit-insight-on-income-support-and-housing-benefit-and-initial-esa-cohort-activity/move-to-universal-credit-insight-on-income-support-and-housing-benefit-and-initial-esa-cohort-activity
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- title: "Social Security Contributions and Benefits Act 1992, Part VII (Income Support)"
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href: https://www.legislation.gov.uk/ukpga/1992/4/part/VII

‎policyengine_uk/tests/policy/baseline/finance/benefit/family/esa_income/esa_income_capital.yaml‎

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esa_income_assessable_capital: [18_000, 18_000]
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- name: Income-related ESA capital screening can activate the existing Income Support path
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period: 2026
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period: 2025
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absolute_error_margin: 1
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input:
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people:
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output:
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esa_income: 0
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income_support_eligible: true
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income_support: 5_430.5776
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income_support: 5_252.0073

‎policyengine_uk/tests/policy/baseline/finance/benefit/family/income_support_post_migration.yaml‎

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- name: Income Support still paid in 2025 (scheme active until 31 March 2026)
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period: 2025
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absolute_error_margin: 5
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input:
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people:
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p1:
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age: 26
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income_support_reported: 3000
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c1:
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age: 4
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is_child: true
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benunits:
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b1:
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members: [p1, c1]
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would_claim_IS: true
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households:
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household:
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members: [p1, c1]
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savings: 1000
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output:
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income_support: 5252.0073
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- name: Income Support is zero after scheme ended on 31 March 2026
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period: 2026
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absolute_error_margin: 0
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input:
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people:
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p1:
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age: 26
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income_support_reported: 3000
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c1:
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age: 4
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is_child: true
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benunits:
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b1:
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members: [p1, c1]
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would_claim_IS: true
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households:
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household:
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members: [p1, c1]
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savings: 1000
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output:
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income_support: 0
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- name: Income Support remains zero in future years
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period: 2030
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absolute_error_margin: 0
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input:
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people:
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p1:
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age: 26
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income_support_reported: 3000
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c1:
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age: 4
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is_child: true
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benunits:
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b1:
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members: [p1, c1]
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would_claim_IS: true
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households:
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household:
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members: [p1, c1]
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savings: 1000
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output:
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income_support: 0
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- name: Income-based JSA still paid in 2025 (scheme active until 31 March 2026)
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period: 2025
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absolute_error_margin: 5
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input:
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people:
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p1:
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age: 26
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jsa_income_reported: 3000
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benunits:
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b1:
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members: [p1]
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households:
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household:
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members: [p1]
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savings: 1000
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output:
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jsa_income: 3000
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- name: Income-based JSA is zero after scheme ended on 31 March 2026
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period: 2026
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absolute_error_margin: 0
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input:
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people:
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p1:
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age: 26
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jsa_income_reported: 3000
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benunits:
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b1:
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members: [p1]
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households:
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household:
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members: [p1]
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savings: 1000
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output:
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jsa_income: 0
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- name: Contribution-based JSA remains active after income-based JSA ends
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period: 2026
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absolute_error_margin: 0
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input:
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people:
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p1:
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age: 26
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jsa_contrib_reported: 2500
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benunits:
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b1:
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members: [p1]
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households:
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household:
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members: [p1]
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output:
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jsa_contrib: 2500
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jsa_income: 0

‎policyengine_uk/tests/policy/baseline/finance/benefit/family/jsa_income/jsa_income_capital.yaml‎

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jsa_income_assessable_capital: 10_500
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- name: Income-based JSA has no tariff income at the lower capital threshold
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period: 2026
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period: 2025
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absolute_error_margin: 0
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input:
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people:
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jsa_income: 1_000
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- name: Income-based JSA tariff income rounds incomplete capital steps up
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period: 2026
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period: 2025
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absolute_error_margin: 0
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input:
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people:
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jsa_income: 948
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- name: Income-based JSA remains eligible at the upper capital limit
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period: 2026
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period: 2025
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absolute_error_margin: 0
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input:
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people:

‎policyengine_uk/variables/gov/dwp/income_support.py‎

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definition_period = YEAR
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unit = GBP
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defined_for = "would_claim_IS"
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adds = ["income_support_entitlement"]
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def formula(benunit, period, parameters):
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if not parameters(period).gov.dwp.income_support.active:
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return benunit.empty_array()
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return benunit("income_support_entitlement", period)

‎policyengine_uk/variables/gov/dwp/jsa_income.py‎

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unit = GBP
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def formula(benunit, period, parameters):
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if not parameters(period).gov.dwp.JSA.income.active:
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return benunit.empty_array()
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reported_award = add(benunit, period, ["jsa_income_reported"])
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tariff_income = benunit("jsa_income_tariff_income", period)
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eligible = benunit("jsa_income_eligible", period)

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