# Chapter 747 (House Bill 820) (Maryland) — effective October 1, 2025 For Chapter 747 (House Bill 820) (Maryland), effective date is October 1, 2025; what it applies to is carriers, pharmacy benefits managers and private review agents using artificial intelligence, an algorithm or other software tool in utilization review, recorded from its source on 2026-09-08. - **Jurisdiction:** Maryland _(our reading, not quoted from the source)_ - **Instrument:** Chapter 747 (House Bill 820) _(verified: appears in its own passage below)_ - **Effective date:** October 1, 2025 _(verified: appears in the quote below)_ - **What it applies to:** carriers, pharmacy benefits managers and private review agents using artificial intelligence, an algorithm or other software tool in utilization review _(our reading, not quoted from the source)_ ## What the source says > SECTION 2. AND BE IT FURTHER ENACTED, That this Act shall take effect October 1, 2025. ## Where each value comes from This source states these in separate places, so each value is shown with the passage that states it. ### Instrument > Chapter 747 (House Bill 820) ## Source - https://mgaleg.maryland.gov/2025RS/Chapters_noln/CH_747_hb0820t.pdf Last verified: 2026-09-08. Review by: 2026-10-23. Part of [AI law and regulation effective dates by jurisdiction](https://referencesource.org/ai-regulation-effective-dates/).