Washington HB 1170 — Informing users when content is developed or modified by artificial intelligence.

Washington, 2025-2026. HB 1170: Informing users when content is developed or modified by artificial intelligence.

Plural source record ↗

Official legislative source ↗

Latest action

March 24, 2026 — Effective date 2/1/2027.

Summary

No summary was supplied. Use the original legislative source for the bill text.

Sponsors

• Shavers — primary sponsor
• Taylor
• Ryu
• Ramel
• Fosse
• Wylie
• Pollet
• Ormsby
• Hill

Bill text

Substitute Bill Read version ↗ Read version ↗

Engrossed Second Substitute Bill Read version ↗ Read version ↗

Second Substitute Bill Read version ↗ Read version ↗

Bill Read version ↗ Read version ↗

Second Substitute Passed Legislature Read version ↗ Read version ↗

Recorded votes

Legislative history

1. March 24, 2026Effective date 2/1/2027.
2. March 24, 2026Chapter 167, 2026 Laws.
3. March 24, 2026Governor signed.
4. March 12, 2026Delivered to Governor.
5. March 11, 2026President signed.
6. March 11, 2026Speaker signed.
7. March 11, 2026Passed final passage; yeas, 55; nays, 38; absent, 0; excused, 5.
8. March 11, 2026House concurred in Senate amendments.
9. March 4, 2026Third reading, passed; yeas, 46; nays, 3; absent, 0; excused, 0.
10. March 4, 2026Rules suspended. Placed on Third Reading.
11. March 4, 2026Committee amendment(s) adopted as amended.
12. March 3, 2026Placed on second reading by Rules Committee.
13. March 2, 2026Passed to Rules Committee for second reading.
14. March 2, 2026Minority; without recommendation.
15. March 2, 2026WM - Majority; do pass with amendment(s).
16. March 2, 2026Executive action taken in the Senate Committee on Ways & Means at 10:30 AM.
17. February 27, 2026Public hearing in the Senate Committee on Ways & Means at 2:30 PM.
18. February 25, 2026Referred to Ways & Means.
19. February 24, 2026Minority; without recommendation.
20. February 24, 2026And refer to Ways & Means.
21. February 24, 2026ENET - Majority; do pass with amendment(s).
22. February 24, 2026Executive action taken in the Senate Committee on Environment, Energy & Technology at 1:30 PM.
23. February 20, 2026Public hearing in the Senate Committee on Environment, Energy & Technology at 10:30 AM.
24. February 17, 2026First reading, referred to Environment, Energy & Technology.
25. February 13, 2026Third reading, passed; yeas, 56; nays, 37; absent, 0; excused, 5.
26. February 13, 2026Rules suspended. Placed on Third Reading.
27. February 13, 2026Floor amendment(s) adopted.
28. February 13, 20262nd substitute bill substituted (TEDV 26).
29. February 10, 2026Rules Committee relieved of further consideration. Placed on second reading.
30. February 4, 2026Referred to Rules 2 Review.
31. February 2, 2026Minority; do not pass.
32. February 2, 2026APP - Majority; do pass 2nd substitute bill proposed by Technology, Economic Development, & Veterans.
33. February 2, 2026Executive action taken in the House Committee on Appropriations at 4:00 PM.
34. January 26, 2026Public hearing in the House Committee on Appropriations at 4:00 PM.
35. January 20, 2026Referred to Appropriations.
36. January 16, 2026Minority; do not pass.
37. January 16, 2026TEDV - Majority; 2nd substitute bill be substituted, do pass.
38. January 16, 2026Executive action taken in the House Committee on Technology, Economic Development, & Veterans at 10:30 AM.
39. January 14, 2026Public hearing in the House Committee on Technology, Economic Development, & Veterans at 8:00 AM.
40. January 12, 2026Referred to Technology, Economic Development, & Veterans.
41. January 12, 2026Rules Committee relieved of further consideration.
42. January 12, 2026By resolution, reintroduced and retained in present status.
43. January 31, 2025Referred to Rules 2 Review.
44. January 28, 2025Minority; do not pass.
45. January 28, 2025TEDV - Majority; 1st substitute bill be substituted, do pass.
46. January 28, 2025Executive action taken in the House Committee on Technology, Economic Development, & Veterans at 10:30 AM.
47. January 17, 2025Public hearing in the House Committee on Technology, Economic Development, & Veterans at 10:30 AM.
48. January 13, 2025First reading, referred to Technology, Economic Development, & Veterans.
49. January 6, 2025Prefiled for introduction.

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