---
type: "Bill"
title: "Drugs and Devices - Electronic Prescriptions - Controlled Dangerous Substances"
description: "Drugs and Devices - Electronic Prescriptions - Controlled Dangerous Substances"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2020"
identifier: "HB 512"
citation: "Maryland HB 512 (2020)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Bagnall", "Barron", "Buckel", "Kipke", "R. Lewis", "Szeliga"]
version_count: 4
action_count: 16
vote_count: 3
first_action: "2020-01-27"
last_action: "2020-05-08"
source: "openstates"
source_identifier: "ocd-bill/de7724c0-7b09-46a1-9196-28fb648d7fc6"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0512?ys=2020RS&search=True"
source_hash: "f0110393d953e1ffde7dbbc645b168cafa268060729dcd7b032741a926ffe27a"
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 512 (2020) — Drugs and Devices - Electronic Prescriptions - Controlled Dangerous Substances

## Version chain

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

1. **Chapter - Drugs and Devices - Electronic Prescriptions - Controlled Dangerous Substances** (committee substitute) — [source](http://mgaleg.maryland.gov/2020RS/Chapters_noln/CH_230_hb0512e.pdf)
2. **Enrolled - Drugs and Devices - Electronic Prescriptions - Controlled Dangerous Substances** (committee substitute) — [source](http://mgaleg.maryland.gov/2020RS/bills/hb/hb0512e.pdf)
3. **First - Drugs and Devices - Electronic Prescriptions - Controlled Dangerous Substances** (committee substitute) — [source](http://mgaleg.maryland.gov/2020RS/bills/hb/hb0512f.pdf)
4. **Third - Drugs and Devices - Electronic Prescriptions - Controlled Dangerous Substances** (committee substitute) — [source](http://mgaleg.maryland.gov/2020RS/bills/hb/hb0512t.pdf)

## Votes

- On Third Reading — **136–0** (pass) · lower
- On Third Reading — **45–0** (pass) · upper
- On Third Reading and Final Passage (Hse concurred) — **133–0** (pass) · lower

## Sponsors

- Bagnall — primary (person)
- Barron — primary (person)
- Buckel — primary (person)
- Kipke — primary (person)
- R. Lewis — primary (person)
- Szeliga — primary (person)

## Timeline

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

- **2020-01-27** First Reading Health and Government Operations `referral-committee`
- **2020-01-28** Hearing 2/18 at 1:00 p.m.
- **2020-03-03** Favorable with Amendments Report by Health and Government Operations `committee-passage-favorable`
- **2020-03-04** Favorable with Amendments { `committee-passage-favorable`
- **2020-03-04** Second Reading Passed with Amendments
- **2020-03-06** Third Reading Passed `passage`
- **2020-03-09** Referred Finance `referral-committee`
- **2020-03-14** Favorable Report by Finance `committee-passage-favorable`
- **2020-03-15** Favorable Adopted `committee-passage-favorable`
- **2020-03-15** Second Reading Passed
- **2020-03-16** Floor Amendment {
- **2020-03-16** Third Readings Passed with Amendments
- **2020-03-17** House Concurs Senate Amendments
- **2020-03-17** Third Reading Passed `passage`
- **2020-03-17** Passed Enrolled
- **2020-05-08** Enacted under Article II, Section 17(c) of the Maryland Constitution - Chapter 230 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/de7724c0-7b09-46a1-9196-28fb648d7fc6`. Confidence: reported (aggregated from official Maryland legislature records).