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Index IRS parameters to the 12-months-ending-August chained CPI-U, with CBO's tax-year projections - #9621

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irs-index-tax-year-cpi

Draft

Index IRS parameters to the 12-months-ending-August chained CPI-U, with CBO's tax-year projections#9621
MaxGhenis wants to merge 8 commits into
mainfrom
irs-index-tax-year-cpi

Commits on Oct 3, 2026
- Index IRS parameters to the 12-months-ending-August chained CPI-U
  
  MaxGhenis
  and
  claude
  committed
  194c1f6
Commits on Oct 8, 2026
- Recover IRS tax-year CPI fixes and merge current main
  MaxGhenis
  committed
  1c7d060
- Complete observed CPI windows through August 2026
  MaxGhenis
  committed
  8c48647
- Isolate reform and eligibility tests from changing CPI forecasts
  MaxGhenis
  committed
  6f307d6
- Test Wisconsin phaseouts against statutory August CPI bases
  MaxGhenis
  committed
  0ef13ac
- Merge current main while preserving IRS indexing repairs
  MaxGhenis
  committed
  5cf7405
- Preserve the Utah reform fixture phaseout assumption
  MaxGhenis
  committed
  36a8a97
- Merge current main release without changing model behavior
  MaxGhenis
  committed
  4c33655