WA Leg - HB 1170 Informing users when content is developed or modified by artificial intelligence. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False 01 - January 6, 2025 - Prefiled for introduction. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Mon, 06 Jan 2025 00:00:00 -0800 01-January6,2025-Prefiledforintroduction. 02 - January 13, 2025 - First reading, referred to Technology, Economic Development, & Veterans. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Mon, 13 Jan 2025 00:00:00 -0800 02-January13,2025-Firstreading,referredtoTechnology,EconomicDevelopment,&Veterans. 03 - January 17, 2025 - Public hearing in the House Committee on Technology, Economic Development, & Veterans at 10:30 AM. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Fri, 17 Jan 2025 00:00:00 -0800 03-January17,2025-PublichearingintheHouseCommitteeonTechnology,EconomicDevelopment,&Veteransat10:30AM. 04 - January 28, 2025 - Executive action taken in the House Committee on Technology, Economic Development, & Veterans at 10:30 AM. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Tue, 28 Jan 2025 00:00:00 -0800 04-January28,2025-ExecutiveactiontakenintheHouseCommitteeonTechnology,EconomicDevelopment,&Veteransat10:30AM. 05 - January 28, 2025 - TEDV - Majority; 1st substitute bill be substituted, do pass. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Tue, 28 Jan 2025 00:00:00 -0800 05-January28,2025-TEDV-Majority;1stsubstitutebillbesubstituted,dopass. 06 - January 28, 2025 - Minority; do not pass. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Tue, 28 Jan 2025 00:00:00 -0800 06-January28,2025-Minority;donotpass. 07 - January 31, 2025 - Referred to Rules 2 Review. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Fri, 31 Jan 2025 00:00:00 -0800 07-January31,2025-ReferredtoRules2Review. 08 - January 12, 2026 - By resolution, reintroduced and retained in present status. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Mon, 12 Jan 2026 00:00:00 -0800 08-January12,2026-Byresolution,reintroducedandretainedinpresentstatus. 09 - January 12, 2026 - Rules Committee relieved of further consideration. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Mon, 12 Jan 2026 00:00:00 -0800 09-January12,2026-RulesCommitteerelievedoffurtherconsideration. 10 - January 12, 2026 - Referred to Technology, Economic Development, & Veterans. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Mon, 12 Jan 2026 00:00:00 -0800 10-January12,2026-ReferredtoTechnology,EconomicDevelopment,&Veterans. 11 - January 14, 2026 - Public hearing in the House Committee on Technology, Economic Development, & Veterans at 8:00 AM. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Wed, 14 Jan 2026 00:00:00 -0800 11-January14,2026-PublichearingintheHouseCommitteeonTechnology,EconomicDevelopment,&Veteransat8:00AM. 12 - January 16, 2026 - Executive action taken in the House Committee on Technology, Economic Development, & Veterans at 10:30 AM. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Fri, 16 Jan 2026 00:00:00 -0800 12-January16,2026-ExecutiveactiontakenintheHouseCommitteeonTechnology,EconomicDevelopment,&Veteransat10:30AM. 13 - January 16, 2026 - TEDV - Majority; 2nd substitute bill be substituted, do pass. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Fri, 16 Jan 2026 00:00:00 -0800 13-January16,2026-TEDV-Majority;2ndsubstitutebillbesubstituted,dopass. 14 - January 16, 2026 - Minority; do not pass. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Fri, 16 Jan 2026 00:00:00 -0800 14-January16,2026-Minority;donotpass. 15 - January 20, 2026 - Referred to Appropriations. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Tue, 20 Jan 2026 00:00:00 -0800 15-January20,2026-ReferredtoAppropriations. 16 - January 26, 2026 - Public hearing in the House Committee on Appropriations at 4:00 PM. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Mon, 26 Jan 2026 00:00:00 -0800 16-January26,2026-PublichearingintheHouseCommitteeonAppropriationsat4:00PM. 17 - February 2, 2026 - Executive action taken in the House Committee on Appropriations at 4:00 PM. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Mon, 02 Feb 2026 00:00:00 -0800 17-February2,2026-ExecutiveactiontakenintheHouseCommitteeonAppropriationsat4:00PM. 18 - February 2, 2026 - APP - Majority; do pass 2nd substitute bill proposed by Technology, Economic Development, & Veterans. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Mon, 02 Feb 2026 00:00:00 -0800 18-February2,2026-APP-Majority;dopass2ndsubstitutebillproposedbyTechnology,EconomicDevelopment,&Veterans. 19 - February 2, 2026 - Minority; do not pass. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Mon, 02 Feb 2026 00:00:00 -0800 19-February2,2026-Minority;donotpass. 20 - February 4, 2026 - Referred to Rules 2 Review. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Wed, 04 Feb 2026 00:00:00 -0800 20-February4,2026-ReferredtoRules2Review. 21 - February 10, 2026 - Rules Committee relieved of further consideration. Placed on second reading. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Tue, 10 Feb 2026 00:00:00 -0800 21-February10,2026-RulesCommitteerelievedoffurtherconsideration.Placedonsecondreading. 22 - February 13, 2026 - 2nd substitute bill substituted (TEDV 26). https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Fri, 13 Feb 2026 00:00:00 -0800 22-February13,2026-2ndsubstitutebillsubstituted(TEDV26). 23 - February 13, 2026 - Floor amendment(s) adopted. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Fri, 13 Feb 2026 00:00:00 -0800 23-February13,2026-Flooramendment(s)adopted. 24 - February 13, 2026 - Rules suspended. Placed on Third Reading. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Fri, 13 Feb 2026 00:00:00 -0800 24-February13,2026-Rulessuspended.PlacedonThirdReading. 25 - February 13, 2026 - Third reading, passed; yeas, 56; nays, 37; absent, 0; excused, 5. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Fri, 13 Feb 2026 00:00:00 -0800 25-February13,2026-Thirdreading,passed;yeas,56;nays,37;absent,0;excused,5. 26 - February 17, 2026 - First reading, referred to Environment, Energy & Technology. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Tue, 17 Feb 2026 00:00:00 -0800 26-February17,2026-Firstreading,referredtoEnvironment,Energy&Technology. 27 - February 20, 2026 - Public hearing in the Senate Committee on Environment, Energy & Technology at 10:30 AM. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Fri, 20 Feb 2026 00:00:00 -0800 27-February20,2026-PublichearingintheSenateCommitteeonEnvironment,Energy&Technologyat10:30AM. 28 - February 24, 2026 - Executive action taken in the Senate Committee on Environment, Energy & Technology at 1:30 PM. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Tue, 24 Feb 2026 00:00:00 -0800 28-February24,2026-ExecutiveactiontakenintheSenateCommitteeonEnvironment,Energy&Technologyat1:30PM. 29 - February 24, 2026 - ENET - Majority; do pass with amendment(s). https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Tue, 24 Feb 2026 00:00:00 -0800 29-February24,2026-ENET-Majority;dopasswithamendment(s). 30 - February 24, 2026 - And refer to Ways & Means. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Tue, 24 Feb 2026 00:00:00 -0800 30-February24,2026-AndrefertoWays&Means. 31 - February 24, 2026 - Minority; without recommendation. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Tue, 24 Feb 2026 00:00:00 -0800 31-February24,2026-Minority;withoutrecommendation. 32 - February 25, 2026 - Referred to Ways & Means. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Wed, 25 Feb 2026 00:00:00 -0800 32-February25,2026-ReferredtoWays&Means. 33 - February 27, 2026 - Public hearing in the Senate Committee on Ways & Means at 2:30 PM. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Fri, 27 Feb 2026 00:00:00 -0800 33-February27,2026-PublichearingintheSenateCommitteeonWays&Meansat2:30PM. 34 - March 2, 2026 - Executive action taken in the Senate Committee on Ways & Means at 10:30 AM. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Mon, 02 Mar 2026 00:00:00 -0800 34-March2,2026-ExecutiveactiontakenintheSenateCommitteeonWays&Meansat10:30AM. 35 - March 2, 2026 - WM - Majority; do pass with amendment(s). https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Mon, 02 Mar 2026 00:00:00 -0800 35-March2,2026-WM-Majority;dopasswithamendment(s). 36 - March 2, 2026 - Minority; without recommendation. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Mon, 02 Mar 2026 00:00:00 -0800 36-March2,2026-Minority;withoutrecommendation. 37 - March 2, 2026 - Passed to Rules Committee for second reading. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Mon, 02 Mar 2026 00:00:00 -0800 37-March2,2026-PassedtoRulesCommitteeforsecondreading. 38 - March 3, 2026 - Placed on second reading by Rules Committee. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Tue, 03 Mar 2026 00:00:00 -0800 38-March3,2026-PlacedonsecondreadingbyRulesCommittee. 39 - March 4, 2026 - Committee amendment(s) adopted as amended. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Wed, 04 Mar 2026 00:00:00 -0800 39-March4,2026-Committeeamendment(s)adoptedasamended. 40 - March 4, 2026 - Rules suspended. Placed on Third Reading. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Wed, 04 Mar 2026 00:00:00 -0800 40-March4,2026-Rulessuspended.PlacedonThirdReading. 41 - March 4, 2026 - Third reading, passed; yeas, 46; nays, 3; absent, 0; excused, 0. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Wed, 04 Mar 2026 00:00:00 -0800 41-March4,2026-Thirdreading,passed;yeas,46;nays,3;absent,0;excused,0. 42 - March 11, 2026 - House concurred in Senate amendments. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Wed, 11 Mar 2026 00:00:00 -0700 42-March11,2026-HouseconcurredinSenateamendments. 43 - March 11, 2026 - Passed final passage; yeas, 55; nays, 38; absent, 0; excused, 5. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Wed, 11 Mar 2026 00:00:00 -0700 43-March11,2026-Passedfinalpassage;yeas,55;nays,38;absent,0;excused,5. 44 - March 11, 2026 - Speaker signed. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Wed, 11 Mar 2026 00:00:00 -0700 44-March11,2026-Speakersigned. 45 - March 11, 2026 - President signed. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Wed, 11 Mar 2026 00:00:00 -0700 45-March11,2026-Presidentsigned. 46 - March 12, 2026 - Delivered to Governor. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Thu, 12 Mar 2026 00:00:00 -0700 46-March12,2026-DeliveredtoGovernor. 47 - March 24, 2026 - Governor signed. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Tue, 24 Mar 2026 00:00:00 -0700 47-March24,2026-Governorsigned. 48 - March 24, 2026 - Chapter 167, 2026 Laws. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Tue, 24 Mar 2026 00:00:00 -0700 48-March24,2026-Chapter167,2026Laws. 49 - March 24, 2026 - Effective date 2/1/2027. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=1170&Initiative=False Bill Description - Informing users when content is developed or modified by artificial intelligence. Tue, 24 Mar 2026 00:00:00 -0700 49-March24,2026-Effectivedate2/1/2027.