State-by-State Statutory Income Caps, IRC § 501(r)(5) Amount Generally Billed (AGB) Formulas & Mandatory Refund Rules
| Jurisdiction | Statutory Charity Care Threshold | Mandatory Write-Off / Cap | Enforcement Citation |
|---|---|---|---|
| California (AB 1020) | Up to 400% Federal Poverty Level (FPL) | 100% Free Care ≤200% FPL · Medicare Cap 201–400% FPL | Cal. Health & Safety Code § 127400 |
| New York (PHL § 2807-k) | Up to 400% Federal Poverty Level (FPL) | Sliding Scale Cap · Zero Asset Seizure or Wage Lien | N.Y. Pub. Health Law § 2807-k(9-a) |
| Illinois (210 ILCS 88) | Up to 600% FPL (Urban) / 300% FPL (Rural) | 100% Free Care ≤200% FPL · Max 20% Annual Income Cap | Illinois Fair Patient Billing Act |
| Washington (RCW 70.170) | Up to 400% FPL Statewide at Tier-1 Hospitals | 100% Write-Off ≤300% FPL · Mandatory Retroactive Refund | Wash. Rev. Code § 70.170.060 |
| All 50 US States (Federal) | All 501(c)(3) Tax-Exempt Nonprofit Hospitals | Must Cap Bills at AGB (Medicare/Commercial Average) + 240-Day ECA Freeze | IRC § 501(r)(4)–(6) / 26 C.F.R. § 1.501(r) |