---
type: "Bill"
title: "Education - Baltimore County Public Library - Collective Bargaining"
description: "Education - Baltimore County Public Library - Collective Bargaining"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2021"
identifier: "SB 138"
citation: "Maryland SB 138 (2021)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Hettleman"]
version_count: 3
action_count: 14
vote_count: 2
first_action: "2020-10-29"
last_action: "2021-05-30"
source: "openstates"
source_identifier: "ocd-bill/ff81bc72-4472-4ab3-9fc9-59b9b4ab5de6"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/sb0138?ys=2021RS&search=True"
source_hash: "7b8e165d03dc8ad47f7672288730d943d4a8134b53648f624d8fe1da31088613"
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 138 (2021) — Education - Baltimore County Public Library - Collective Bargaining

## Version chain

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

1. **Chapter - Education - Baltimore County Public Library - Collective Bargaining** (committee substitute) — [source](http://mgaleg.maryland.gov/2021RS/Chapters_noln/CH_748_sb0138t.pdf)
2. **First - Education - Baltimore County Public Library - Collective Bargaining** (committee substitute) — [source](http://mgaleg.maryland.gov/2021RS/bills/sb/sb0138f.pdf)
3. **Third - Education - Baltimore County Public Library - Collective Bargaining** (committee substitute) — [source](http://mgaleg.maryland.gov/2021RS/bills/sb/sb0138t.pdf)

## Votes

- On Third Reading — **40–7** (pass) · upper
- On Third Reading — **98–40** (pass) · lower

## Sponsors

- Hettleman — primary (person)

## Timeline

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

- **2020-10-29** Pre-filed `introduction`
- **2021-01-13** First Reading Finance `referral-committee`
- **2021-01-11** Hearing 2/04 at 1:00 p.m.
- **2021-03-24** Favorable with Amendments Report by Finance `committee-passage-favorable`
- **2021-03-24** Favorable with Amendments { `committee-passage-favorable`
- **2021-03-24** Second Reading Passed with Amendments
- **2021-03-25** Third Reading Passed `passage`
- **2021-03-26** Referred Rules and Executive Nominations `referral-committee`
- **2021-03-30** Rereferred to Appropriations
- **2021-04-09** Favorable Report by Appropriations `committee-passage-favorable`
- **2021-04-09** Favorable Adopted Second Reading Passed `committee-passage-favorable`
- **2021-04-12** Third Reading Passed `passage`
- **2021-04-12** Returned Passed
- **2021-05-30** Enacted under Article II, Section 17(c) of the Maryland Constitution - Chapter 748 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/ff81bc72-4472-4ab3-9fc9-59b9b4ab5de6`. Confidence: reported (aggregated from official Maryland legislature records).