WA SB6120

Regulates "high-risk AI systems" that autonomously make or substantially influence consequential decisions about parole, education, employment, lending, healthcare, housing, insurance, marital status, or legal services for Washington residents

Requires developers (earning over $100,000 annually) to provide deployers with documentation on intended uses, known limitations, algorithmic discrimination risks, mitigation measures, and performance evaluations before selling or licensing high-risk AI systems

Mandates deployers implement risk management programs and complete impact assessments before using high-risk AI for consequential decisions, with records retained for at least three years

Requires disclosure to consumers when interacting with high-risk AI systems, including explanation of adverse decisions and the AI's role, with synthetic content (images, video, audio) required to be identifiable as AI-generated

Creates private right of action for violations with 45-day cure period as affirmative defense; exempts financial institutions and insurers already subject to comparable federal/state AI regulations, federal government acquisitions, and telemedicine providers; effective January 1, 2027