---
type: "Bill"
title: "Mental Health - Assisted Outpatient Treatment Programs"
description: "Mental Health - Assisted Outpatient Treatment Programs"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2024"
identifier: "SB 453"
citation: "Maryland SB 453 (2024)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["A. Washington", "Administration", "Beidle", "Brooks", "Carter", "Charles", "Ellis", "Folden", "Gile", "Hayes", "Hershey", "Lewis Young", "McKay", "President", "Ready", "Waldstreicher", "West"]
version_count: 3
action_count: 14
vote_count: 2
first_action: "2024-01-22"
last_action: "2024-05-16"
source: "openstates"
source_identifier: "ocd-bill/64883413-0fed-4b29-8483-3c386f1335eb"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/sb0453?ys=2024RS&search=True"
source_hash: "ed52f0345e747c538d7b210f2e6e3804a31de1ac5c3d336c3d793bda31beb58d"
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-md"]
---

# Maryland SB 453 (2024) — Mental Health - Assisted Outpatient Treatment Programs

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Chapter - Mental Health - Assisted Outpatient Treatment Programs** (committee substitute) — [source](http://mgaleg.maryland.gov/2024RS/Chapters_noln/CH_704_sb0453t.pdf)
2. **First - Mental Health - Emergency Evaluation and Involuntary Admission Procedures and Assisted Outpatient Treatment Programs** (committee substitute) — [source](http://mgaleg.maryland.gov/2024RS/bills/sb/sb0453f.pdf)
3. **Third - Mental Health - Assisted Outpatient Treatment Programs** (committee substitute) — [source](http://mgaleg.maryland.gov/2024RS/bills/sb/sb0453t.pdf)

## Votes

- On Third Reading — **43–0** (pass) · upper
- On Third Reading — **134–2** (pass) · lower

## Sponsors

- A. Washington — primary (person)
- Administration — primary (person)
- Beidle — primary (person)
- Brooks — primary (person)
- Carter — primary (person)
- Charles — primary (person)
- Ellis — primary (person)
- Folden — primary (person)
- Gile — primary (person)
- Hayes — primary (person)
- Hershey — primary (person)
- Lewis Young — primary (person)
- McKay — primary (person)
- President — primary (person)
- Ready — primary (person)
- Waldstreicher — primary (person)
- West — primary (person)

## Timeline

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

- **2024-01-22** First Reading Finance `referral-committee`
- **2024-01-31** Hearing 2/20 at 1:00 p.m.
- **2024-04-04** Favorable with Amendments Report by Finance `committee-passage-favorable`
- **2024-04-04** Favorable with Amendments { `committee-passage-favorable`
- **2024-04-04** Second Reading Passed with Amendments
- **2024-04-04** Third Reading Passed `passage`
- **2024-04-04** Referred Rules and Executive Nominations `referral-committee`
- **2024-04-05** Rereferred to Health and Government Operations
- **2024-04-06** Favorable Report by Health and Government Operations `committee-passage-favorable`
- **2024-04-06** Favorable Adopted `committee-passage-favorable`
- **2024-04-06** Second Reading Passed
- **2024-04-08** Third Reading Passed `passage`
- **2024-04-08** Returned Passed
- **2024-05-16** Approved by the Governor - Chapter 704 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/64883413-0fed-4b29-8483-3c386f1335eb`. Confidence: reported (aggregated from official Maryland legislature records).