---
type: "Bill"
title: "Pharmacy Benefits Managers - Revisions"
description: "Pharmacy Benefits Managers - Revisions"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2021"
identifier: "HB 601"
citation: "Maryland HB 601 (2021)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Kipke"]
version_count: 3
action_count: 14
vote_count: 2
first_action: "2021-01-20"
last_action: "2021-05-18"
source: "openstates"
source_identifier: "ocd-bill/cdc77035-ad9e-4275-b575-a06dc492a84f"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0601?ys=2021RS&search=True"
source_hash: "320dab4e704b32f4b6e5e930a2060238cf67abab9e23047cfec7fd12473c41b6"
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 601 (2021) — Pharmacy Benefits Managers - Revisions

## Version chain

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

1. **Chapter - Pharmacy Benefits Managers - Revisions** (committee substitute) — [source](http://mgaleg.maryland.gov/2021RS/Chapters_noln/CH_358_hb0601t.pdf)
2. **First - Pharmacy Benefits Managers - Definition of Purchaser and ERISA** (committee substitute) — [source](http://mgaleg.maryland.gov/2021RS/bills/hb/hb0601f.pdf)
3. **Third - Pharmacy Benefits Managers - Revisions** (committee substitute) — [source](http://mgaleg.maryland.gov/2021RS/bills/hb/hb0601t.pdf)

## Votes

- On Third Reading — **132–2** (pass) · lower
- On Third Reading — **47–0** (pass) · upper

## Sponsors

- Kipke — primary (person)

## Timeline

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

- **2021-01-20** First Reading Health and Government Operations `referral-committee`
- **2021-01-21** Hearing 2/10 at 1:30 p.m.
- **2021-03-20** Favorable with Amendments Report by Health and Government Operations `committee-passage-favorable`
- **2021-03-20** Favorable with Amendments { `committee-passage-favorable`
- **2021-03-20** Second Reading Passed with Amendments
- **2021-03-22** Third Reading Passed `passage`
- **2021-03-22** Referred Finance `referral-committee`
- **2021-03-24** Hearing 3/30 at 1:00 p.m.
- **2021-04-02** Favorable Report by Finance `committee-passage-favorable`
- **2021-04-06** Favorable Adopted `committee-passage-favorable`
- **2021-04-06** Second Reading Passed
- **2021-04-08** Third Reading Passed `passage`
- **2021-04-08** Returned Passed
- **2021-05-18** Approved by the Governor - Chapter 358 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/cdc77035-ad9e-4275-b575-a06dc492a84f`. Confidence: reported (aggregated from official Maryland legislature records).