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Replace generic child and adult flags with each programme's legal definitions - #1896

Merged

MaxGhenis merged 25 commits into

mainfrom

remove-is-child-flags

Oct 2, 2026

Commits on Sep 30, 2026
- Add HBAI and claimant-or-partner variables; deprecate generic child and adult flags
  
  MaxGhenis
  and
  claude
  committed
  1b69b84
- Test the benefit-unit structure and HBAI population groups
  
  MaxGhenis
  and
  claude
  committed
  0f53b39
- Use HBAI adults and children in equivalisation; make age-18 splits explicit in modelling code
  
  MaxGhenis
  and
  claude
  committed
  04e85a1
- Limit Marriage Allowance and Tax-Free Childcare to the couple, not their children
  
  MaxGhenis
  and
  claude
  committed
  409633a
- Use each DfE scheme's own definition of a child or the student's family
  
  MaxGhenis
  and
  claude
  committed
  94413ce
- Apply the tax credit claimant and child definitions in Working Tax Credit
  
  MaxGhenis
  and
  claude
  committed
  7117902
- Assess Pension Credit on the claimant and partner, not their children
  
  MaxGhenis
  and
  claude
  committed
  98853d4
- Apply the legacy benefits' own child, young person and claimant definitions
  
  MaxGhenis
  and
  claude
  committed
  44023f0
- Decide the shared accommodation rate and benefit cap on the claimant's own circumstances
  
  MaxGhenis
  and
  claude
  committed
  34cc129
- Apply Universal Credit's claimant rules instead of age-18 counts
  
  MaxGhenis
  and
  claude
  committed
  31e7008
- Pay Guarantee Credit only within Pension Credit; add changelog fragments
  
  MaxGhenis
  and
  claude
  committed
  029b262
- Add property and differential tests for the child, adult and claimant definitions
  
  MaxGhenis
  and
  claude
  committed
  d4b6745
- Test Housing Benefit's pension-age route on the claimant and partner
  
  MaxGhenis
  and
  claude
  committed
  2e5fc68
- Limit a benefit unit to its head and one partner
  
  MaxGhenis
  and
  claude
  committed
  0985251
- Apply both schemes' child tests and the disability exception to the cap and LHA category
  
  MaxGhenis
  and
  claude
  committed
  7285827
- Apply the Pension Credit severe disability couple rule; exclude placed children from legacy families
  
  MaxGhenis
  and
  claude
  committed
  16940d8
- Assess means-test income for the claimant and partner only
  
  MaxGhenis
  and
  claude
  committed
  2de365c
- Make the eldest adult the claimant when the head is not one; flagged parents form the couple
  
  MaxGhenis
  and
  claude
  committed
  229bbfb
- Never bar the severe disability addition by its recipient's own carer benefit; cite only UC Sch 4 para 29(5)
  
  MaxGhenis
  and
  claude
  committed
  9b13503
- Keep counting each programme's own dependants' income; drop only non-members'
  
  MaxGhenis
  and
  claude
  committed
  2b635fa
- Drop non-members' hours from the HB worker disregard; take the eldest of several heads
  
  MaxGhenis
  and
  claude
  committed
  f981459
- Expect a claimant's own Carer Support Payment not to bar their severe disability addition
  
  MaxGhenis
  and
  claude
  committed
  143cc3c
Commits on Oct 1, 2026
- Merge origin/main (7b9fc379) into remove-is-child-flags
  
  MaxGhenis
  and
  claude
  committed
  4ed1742
Commits on Oct 2, 2026
- Expect no guarantee credit for families not eligible for Pension Credit in the CTR tests
  
  MaxGhenis
  and
  claude
  committed
  dd8e98f
- Give main's UC-benefit and CTR property fixtures explicit claimants and partners
  
  MaxGhenis
  and
  claude
  committed
  207e225

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Replace generic child and adult flags with each programme's legal definitions - #1896

Replace generic child and adult flags with each programme's legal definitions#1896
MaxGhenis merged 25 commits into
mainfrom
remove-is-child-flags

Commits on Sep 30, 2026

Add HBAI and claimant-or-partner variables; deprecate generic child and adult flags

Test the benefit-unit structure and HBAI population groups

Use HBAI adults and children in equivalisation; make age-18 splits explicit in modelling code

Limit Marriage Allowance and Tax-Free Childcare to the couple, not their children

Use each DfE scheme's own definition of a child or the student's family

Apply the tax credit claimant and child definitions in Working Tax Credit

Assess Pension Credit on the claimant and partner, not their children

Apply the legacy benefits' own child, young person and claimant definitions

Decide the shared accommodation rate and benefit cap on the claimant's own circumstances

Apply Universal Credit's claimant rules instead of age-18 counts

Pay Guarantee Credit only within Pension Credit; add changelog fragments

Add property and differential tests for the child, adult and claimant definitions

Test Housing Benefit's pension-age route on the claimant and partner

Limit a benefit unit to its head and one partner

Apply both schemes' child tests and the disability exception to the cap and LHA category

Apply the Pension Credit severe disability couple rule; exclude placed children from legacy families

Assess means-test income for the claimant and partner only

Make the eldest adult the claimant when the head is not one; flagged parents form the couple

Never bar the severe disability addition by its recipient's own carer benefit; cite only UC Sch 4 para 29(5)

Keep counting each programme's own dependants' income; drop only non-members'

Drop non-members' hours from the HB worker disregard; take the eldest of several heads

Expect a claimant's own Carer Support Payment not to bar their severe disability addition

Commits on Oct 1, 2026

Merge origin/main (7b9fc379) into remove-is-child-flags

Commits on Oct 2, 2026

Expect no guarantee credit for families not eligible for Pension Credit in the CTR tests

Give main's UC-benefit and CTR property fixtures explicit claimants and partners