---
type: "Bill"
title: "Maryland Developmental Disabilities Council - Establishment"
description: "Maryland Developmental Disabilities Council - Establishment"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2023"
identifier: "HB 504"
citation: "Maryland HB 504 (2023)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Attar", "Buckel", "Charkoudian", "Fair", "Griffith", "Grossman", "Guyton", "Healey", "Hill", "Kaiser", "Kaufman", "Love", "McCaskill", "McComas", "Phillips", "Taylor", "Terrasa", "Watson", "White"]
version_count: 3
action_count: 11
vote_count: 0
first_action: "2023-01-30"
last_action: "2023-04-11"
source: "openstates"
source_identifier: "ocd-bill/3a087de1-7859-42aa-92c6-4047cd3b5ae0"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0504?ys=2023RS&search=True"
source_hash: "aac027780c0191cd8cd1316a0877cb64edd543faa044bcec41dfaad456d28eb8"
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 HB 504 (2023) — Maryland Developmental Disabilities Council - Establishment

## Version chain

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

1. **Chapter - Maryland Developmental Disabilities Council - Establishment** (committee substitute) — [source](http://mgaleg.maryland.gov/2023RS/Chapters_noln/CH_15_hb0504t.pdf)
2. **First - Maryland Developmental Disabilities Council - Establishment** (committee substitute) — [source](http://mgaleg.maryland.gov/2023RS/bills/hb/hb0504f.pdf)
3. **Third - Maryland Developmental Disabilities Council - Establishment** (committee substitute) — [source](http://mgaleg.maryland.gov/2023RS/bills/hb/hb0504t.pdf)

## Sponsors

- Attar — primary (person)
- Buckel — primary (person)
- Charkoudian — primary (person)
- Fair — primary (person)
- Griffith — primary (person)
- Grossman — primary (person)
- Guyton — primary (person)
- Healey — primary (person)
- Hill — primary (person)
- Kaiser — primary (person)
- Kaufman — primary (person)
- Love — primary (person)
- McCaskill — primary (person)
- McComas — primary (person)
- Phillips — primary (person)
- Taylor — primary (person)
- Terrasa — primary (person)
- Watson — primary (person)
- White — primary (person)

## Timeline

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

- **2023-01-30** First Reading Health and Government Operations `referral-committee`
- **2023-02-13** Hearing 2/28 at 1:00 p.m.
- **2023-03-13** Favorable Report by Health and Government Operations `committee-passage-favorable`
- **2023-03-14** Favorable Adopted Second Reading Passed `committee-passage-favorable`
- **2023-03-15** Third Reading Passed `passage`
- **2023-03-16** Referred Finance `referral-committee`
- **2023-03-31** Favorable Report by Finance `committee-passage-favorable`
- **2023-03-31** Favorable Adopted Second Reading Passed `committee-passage-favorable`
- **2023-04-05** Third Reading Passed `passage`
- **2023-04-05** Returned Passed
- **2023-04-11** Approved by the Governor - Chapter 15 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/3a087de1-7859-42aa-92c6-4047cd3b5ae0`. Confidence: reported (aggregated from official Maryland legislature records).