**Proposition 44, a union-backed initiative statute on the November 3, 2026 ballot, would require federally qualified health centers and related nonprofit safety-net clinics to spend at least 90% of annual revenue on program services advancing their charitable mission, with penalties for shortfalls redirecting funds to state accounts and possible criminal charges for false reporting.** The measure, sponsored by SEIU-UHW after collecting sufficient signatures, faces coordinated opposition from the California Primary Care Association, the California Medical Association, the American Academy of Pediatrics California, and other physician and clinic groups. These organizations cite analyses projecting roughly $1.7 billion in first-year penalties, potential clinic closures or service reductions, and administrative burdens, arguing the 90% threshold excludes legitimate patient-care expenses. A lawsuit challenging the measure’s placement on the ballot has added procedural uncertainty. With roughly two months until the election, these institutional barriers and fiscal-impact warnings have shaped trader consensus around a 68% implied probability of rejection, consistent with historical patterns for narrowly targeted healthcare spending mandates facing broad provider resistance. No recent polling shifts or endorsements have altered this positioning.