Primary-source registry
Every number has an owner and a year.
The calculator reads only finalized values. Draft forms and pending bills are tracked but do not overwrite current law.
| Source | Used for | Status | Official page |
|---|---|---|---|
| HHS / ASPE 2025 Poverty Guidelines Computations | 2026 Marketplace coverage poverty-level calculations | final | Open source |
| IRS Revenue Procedure 2025-25 | 2026 premium tax credit applicable percentages | final | Open source |
| CMS / HealthCare.gov Premium tax credit glossary | Standard 100%–400% FPL eligibility range after 2025 | current | Open source |
| IRS 2025 Instructions for Form 8962 | 2025 excess advance credit repayment caps only | final-2025 | Open source |
| Congress.gov H.R. 1834 — Breaking the Gridlock Act | Enhanced premium tax credit extension tracker | pending-legislation | Open source |