Legislation: batch E — CA TN VA VT WA WI WV WY

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

legislation/us/states/wa/2025-2026/hb-1170.md

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+---
+type: "Bill"
+title: "Informing users when content is developed or modified by artificial intelligence."
+description: "Informing users when content is developed or modified by artificial intelligence."
+jurisdiction: "us/states/wa"
+legislature: "Washington Legislature"
+session: "2025-2026"
+identifier: "HB 1170"
+citation: "Washington HB 1170 (2025-2026)"
+classification: ["bill"]
+subjects: []
+status: "enacted"
+primary_sponsors: ["Shavers"]
+version_count: 5
+action_count: 49
+vote_count: 3
+first_action: "2025-01-06"
+last_action: "2026-03-24"
+source: "openstates"
+source_identifier: "ocd-bill/23774a7b-0006-4947-aa33-f93060e22719"
+source_url: "https://app.leg.wa.gov/billsummary/?BillNumber=1170&Year=2025&Initiative=false"
+source_hash: "74a6c6b1f961d2f408c24aaa60fecd26c0584fd74c46faba2e085de4980db55d"
+vintage: "2026-07-01"
+source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
+retrieved_at: "2026-07-06"
+confidence: "reported"
+tags: ["legislation", "bill", "us-wa"]
+---
+
+# Washington HB 1170 (2025-2026) — Informing users when content is developed or modified by artificial intelligence.
+
+## Version chain
+
+The bill's text revisions, in order — the diff chain from filing to enrollment.
+
+1. **Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2025-26/Htm/Bills/House%20Bills/1170.htm)
+2. **Engrossed Second Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2025-26/Htm/Bills/House%20Bills/1170-S2.E.htm)
+3. **Second Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2025-26/Htm/Bills/House%20Bills/1170-S2.htm)
+4. **Second Substitute Passed Legislature** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2025-26/Htm/Bills/House%20Passed%20Legislature/1170-S2.PL.htm)
+5. **Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2025-26/Htm/Bills/House%20Bills/1170-S.htm)
+
+## Votes
+
+- Final Passage as Amended by the Senate (#1) — **55–38** (pass) · lower
+- 3rd Reading & Final Passage (#9) — **56–37** (pass) · lower
+- 3rd Reading & Final Passage as Amended by the Senate (#28) — **46–3** (pass) · upper
+
+## Sponsors
+
+- Shavers — primary (person)
+- Fosse — cosponsor (person)
+- Hill — cosponsor (person)
+- Ormsby — cosponsor (person)
+- Pollet — cosponsor (person)
+- Ramel — cosponsor (person)
+- Ryu — cosponsor (person)
+- Taylor — cosponsor (person)
+- Wylie — cosponsor (person)
+
+## Timeline
+
+The legislative action history — every referral, reading, and vote.
+
+- **2025-01-06** Prefiled for introduction. `filing`
+- **2025-01-13** First reading, referred to Technology, Economic Development, & Veterans. `reading-1`
+- **2025-01-17** Public hearing in the House Committee on Technology, Economic Development, & Veterans at 10:30 AM.
+- **2025-01-28** Executive action taken in the House Committee on Technology, Economic Development, & Veterans at 10:30 AM.
+- **2025-01-28** TEDV - Majority; 1st substitute bill be substituted, do pass. `substitution`
+- **2025-01-28** Minority; do not pass. `committee-passage-unfavorable`
+- **2025-01-31** Referred to Rules 2 Review. `referral-committee`
+- **2026-01-12** By resolution, reintroduced and retained in present status.
+- **2026-01-12** Rules Committee relieved of further consideration.
+- **2026-01-12** Referred to Technology, Economic Development, & Veterans. `referral-committee`
+- **2026-01-14** Public hearing in the House Committee on Technology, Economic Development, & Veterans at 8:00 AM.
+- **2026-01-16** Executive action taken in the House Committee on Technology, Economic Development, & Veterans at 10:30 AM.
+- **2026-01-16** TEDV - Majority; 2nd substitute bill be substituted, do pass. `substitution`
+- **2026-01-16** Minority; do not pass. `committee-passage-unfavorable`
+- **2026-01-20** Referred to Appropriations. `referral-committee`
+- **2026-01-26** Public hearing in the House Committee on Appropriations at 4:00 PM.
+- **2026-02-02** Executive action taken in the House Committee on Appropriations at 4:00 PM.
+- **2026-02-02** APP - Majority; do pass 2nd substitute bill proposed by Technology, Economic Development, & Veterans. `committee-passage-favorable`
+- **2026-02-02** Minority; do not pass. `committee-passage-unfavorable`
+- **2026-02-04** Referred to Rules 2 Review. `referral-committee`
+- **2026-02-10** Rules Committee relieved of further consideration. Placed on second reading. `reading-2`
+- **2026-02-13** 2nd substitute bill substituted (TEDV 26). `substitution`
+- **2026-02-13** Floor amendment(s) adopted.
+- **2026-02-13** Rules suspended. Placed on Third Reading. `reading-3`
+- **2026-02-13** Third reading, passed; yeas, 56; nays, 37; absent, 0; excused, 5. `reading-3`
+- **2026-02-17** First reading, referred to Environment, Energy & Technology. `reading-1`
+- **2026-02-20** Public hearing in the Senate Committee on Environment, Energy & Technology at 10:30 AM.
+- **2026-02-24** Executive action taken in the Senate Committee on Environment, Energy & Technology at 1:30 PM.
+- **2026-02-24** ENET - Majority; do pass with amendment(s). `committee-passage-favorable`
+- **2026-02-24** And refer to Ways & Means. `referral-committee`
+- **2026-02-24** Minority; without recommendation. `committee-passage-unfavorable`
+- **2026-02-25** Referred to Ways & Means. `referral-committee`
+- **2026-02-27** Public hearing in the Senate Committee on Ways & Means at 2:30 PM.
+- **2026-03-02** Executive action taken in the Senate Committee on Ways & Means at 10:30 AM.
+- **2026-03-02** WM - Majority; do pass with amendment(s). `committee-passage-favorable`
+- **2026-03-02** Minority; without recommendation. `committee-passage-unfavorable`
+- **2026-03-02** Passed to Rules Committee for second reading.
+- **2026-03-03** Placed on second reading by Rules Committee. `reading-2`
+- **2026-03-04** Committee amendment(s) adopted as amended.
+- **2026-03-04** Rules suspended. Placed on Third Reading. `reading-3`
+- **2026-03-04** Third reading, passed; yeas, 46; nays, 3; absent, 0; excused, 0. `reading-3`
+- **2026-03-11** House concurred in Senate amendments.
+- **2026-03-11** Passed final passage; yeas, 55; nays, 38; absent, 0; excused, 5. `passage`
+- **2026-03-11** Speaker signed. `passage`
+- **2026-03-11** President signed. `passage`
+- **2026-03-12** Delivered to Governor. `executive-receipt`
+- **2026-03-24** Governor signed. `executive-signature`
+- **2026-03-24** Chapter 167, 2026 Laws. `became-law`
+- **2026-03-24** Effective date 2/1/2027. `became-law`
+
+## Source
+
+OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/23774a7b-0006-4947-aa33-f93060e22719`. Confidence: reported (aggregated from official Washington legislature records).
+