---
type: "Bill"
title: "Maryland Research and Development Tax Credit - Sunset Extension"
description: "Maryland Research and Development Tax Credit - Sunset Extension"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2019"
identifier: "HB 175"
citation: "Maryland HB 175 (2019)"
classification: ["bill"]
subjects: ["Taxes - Income", "Industry and Technology", "Sunset", "Tax Credits"]
status: "enacted"
primary_sponsors: ["Chair"]
version_count: 1
action_count: 16
vote_count: 2
first_action: "2019-01-23"
last_action: "2019-04-18"
source: "openstates"
source_identifier: "ocd-bill/2214f00e-c4a3-4670-b2fe-cd094279f0dc"
source_url: "http://mgaleg.maryland.gov/webmga/frmMain.aspx?id=HB175&stab=01&pid=billpage&tab=subject3&ys=2019rs"
source_hash: "bfa6c24d3c8d9f09470f27559d001cb9bb89ef238fa14f9219724502b9036264"
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 175 (2019) — Maryland Research and Development Tax Credit - Sunset Extension

## Version chain

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

1. **Bill Text** (committee substitute) — [source](http://mgaleg.maryland.gov/2019RS/bills/hb/hb0175f.pdf)

## Votes

- On Third Reading — **45–1** (pass) · upper
- On Third Reading — **98–40** (pass) · lower

## Sponsors

- Chair — primary (person)
- Ways and Means Committee (By Request - Departmental - Commerce) — cosponsor (person)

## Timeline

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

- **2019-01-23** First Reading Ways and Means `referral-committee`
- **2019-01-24** Hearing 2/06 at 1:00 p.m.
- **2019-03-25** Favorable with Amendments Report by Ways and Means `committee-passage-favorable`
- **2019-03-26** Favorable with Amendments {175161/1 Report Adopted `committee-passage-favorable`
- **2019-03-26** Floor Amendment {813526/1 (Delegate Moon) Rejected `amendment-failure`
- **2019-03-26** Second Reading Passed with Amendments
- **2019-03-27** Third Reading Passed (98-40) `passage`
- **2019-03-28** First Reading Senate Rules `referral-committee`
- **2019-03-29** Rereferred to Budget and Taxation
- **2019-04-02** Hearing 4/03 at 1:00 p.m.
- **2019-04-04** Favorable Report by Budget and Taxation `committee-passage-favorable`
- **2019-04-04** Favorable Report Adopted `committee-passage-favorable`
- **2019-04-04** Second Reading Passed
- **2019-04-05** Third Reading Passed (45-1) `passage`
- **2019-04-05** Returned Passed
- **2019-04-18** Approved by the Governor - Chapter 85 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/2214f00e-c4a3-4670-b2fe-cd094279f0dc`. Confidence: reported (aggregated from official Maryland legislature records).