---
type: "Bill"
title: "Supporting youth and young adults seeking protected health care services."
description: "Supporting youth and young adults seeking protected health care services."
jurisdiction: "us/states/wa"
legislature: "Washington Legislature"
session: "2023-2024"
identifier: "SB 5599"
citation: "Washington SB 5599 (2023-2024)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Liias"]
version_count: 4
action_count: 29
vote_count: 4
first_action: "2023-01-27"
last_action: "2023-05-09"
source: "openstates"
source_identifier: "ocd-bill/d1e43bbf-eedc-4c3d-9e0a-f5881ef9e48f"
source_url: "http://apps.leg.wa.gov/billinfo/summary.aspx?bill=5599&year=2023"
source_hash: "7f7b1bf363792384b6e6e440f7ef8b17747bcb0642e43a89d908b39cad914ede"
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 SB 5599 (2023-2024) — Supporting youth and young adults seeking protected health care services.

## 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/2023-24/Htm/Bills/Senate%20Bills/5599.htm)
2. **Engrossed Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2023-24/Htm/Bills/Senate%20Bills/5599-S.E.htm)
3. **Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2023-24/Htm/Bills/Senate%20Bills/5599-S.htm)
4. **Substitute Passed Legislature** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2023-24/Htm/Bills/Senate%20Passed%20Legislature/5599-S.PL.htm)

## Votes

- Final Passage as Amended by the House (#8) — **29–20** (pass) · upper
- 128 Braun Pg 3 Ln 1 (#31) — **19–27** (fail) · upper
- 3rd Reading & Final Passage (#32) — **27–19** (pass) · upper
- Final Passage as Amended by the House (#27) — **57–39** (pass) · lower

## Sponsors

- Liias — primary (person)
- C. Wilson — cosponsor (person)
- Dhingra — cosponsor (person)
- Lovelett — cosponsor (person)
- Nguyen — cosponsor (person)
- Randall — cosponsor (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2023-01-27** First reading, referred to Human Services. `reading-1`
- **2023-02-06** Public hearing in the Senate Committee on Human Services at 10:30 AM.
- **2023-02-14** Executive action taken in the Senate Committee on Human Services at 10:30 AM.
- **2023-02-14** HS - Majority; 1st substitute bill be substituted, do pass. `substitution`
- **2023-02-14** Minority; do not pass. `committee-passage-unfavorable`
- **2023-02-15** Passed to Rules Committee for second reading.
- **2023-02-27** Placed on second reading by Rules Committee. `reading-2`
- **2023-03-01** 1st substitute bill substituted (HS 23). `substitution`
- **2023-03-01** Floor amendment(s) adopted.
- **2023-03-01** Rules suspended. Placed on Third Reading. `reading-3`
- **2023-03-01** Third reading, passed; yeas, 27; nays, 19; absent, 0; excused, 3. `reading-3`
- **2023-03-04** First reading, referred to Human Services, Youth, & Early Learning. `reading-1`
- **2023-03-22** Public hearing in the House Committee on Early Learning & Human Services at 1:30 PM.
- **2023-03-24** Executive action taken in the House Committee on Early Learning & Human Services at 8:00 AM.
- **2023-03-24** HSEL - Majority; do pass with amendment(s) by Human Services, Youth, & Early Learning. `committee-passage-favorable`
- **2023-03-24** Minority; do not pass. `committee-passage-unfavorable`
- **2023-03-29** Referred to Rules 2 Review. `referral-committee`
- **2023-04-10** Rules Committee relieved of further consideration. Placed on second reading. `reading-2`
- **2023-04-12** Committee amendment(s) adopted as amended.
- **2023-04-12** Rules suspended. Placed on Third Reading. `reading-3`
- **2023-04-12** Third reading, passed; yeas, 57; nays, 39; absent, 0; excused, 2. `reading-3`
- **2023-04-19** Senate concurred in House amendments.
- **2023-04-19** Passed final passage; yeas, 29; nays, 20; absent, 0; excused, 0. `passage`
- **2023-04-20** President signed. `passage`
- **2023-04-21** Speaker signed. `passage`
- **2023-04-21** Delivered to Governor. `executive-receipt`
- **2023-05-09** Governor signed. `executive-signature`
- **2023-05-09** Chapter 408, 2023 Laws. `became-law`
- **2023-05-09** Effective date 7/23/2023. `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/d1e43bbf-eedc-4c3d-9e0a-f5881ef9e48f`. Confidence: reported (aggregated from official Washington legislature records).