---
type: "Bill"
title: "Income Tax – Oyster Shell Recycling Credit – Maximum Allowable Amount and Sunset Extension"
description: "Income Tax – Oyster Shell Recycling Credit – Maximum Allowable Amount and Sunset Extension"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2018"
identifier: "HB 572"
citation: "Maryland HB 572 (2018)"
classification: ["bill"]
subjects: ["Taxes - Income", "Income Tax", "Oysters", "Recycling", "Sunset", "Tax Credits"]
status: "enacted"
primary_sponsors: ["Rey"]
version_count: 1
action_count: 22
vote_count: 3
first_action: "2018-01-29"
last_action: "2018-05-15"
source: "openstates"
source_identifier: "ocd-bill/470777c0-0938-4c06-be39-713e830b4978"
source_url: "http://mgaleg.maryland.gov/webmga/frmMain.aspx?id=HB572&stab=01&pid=billpage&tab=subject3&ys=2018rs"
source_hash: "0b3c9ac493efe1abaf25f02a3cd50358d7114453d6e535e93209a54bde766874"
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 572 (2018) — Income Tax – Oyster Shell Recycling Credit – Maximum Allowable Amount and 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/2018RS/bills/hb/hb0572f.pdf)

## Votes

- On Third Reading — **45–0** (pass) · upper
- On Third Reading — **138–0** (pass) · lower
- On third reading — **42–0** (pass) · upper

## Sponsors

- Rey — primary (person)
- A. Miller — cosponsor (person)
- Adams — cosponsor (person)
- Afzali — cosponsor (person)
- Anderson — cosponsor (person)
- Anderton — cosponsor (person)
- Arentz — cosponsor (person)
- Atterbeary — cosponsor (person)
- Aumann — cosponsor (person)
- Barkley — cosponsor (person)
- Barron — cosponsor (person)
- Beidle — cosponsor (person)
- Beitzel — cosponsor (person)
- Buckel — cosponsor (person)
- Carey — cosponsor (person)
- Carozza — cosponsor (person)
- Cassilly — cosponsor (person)
- Chang — cosponsor (person)
- Ciliberti — cosponsor (person)
- Clark — cosponsor (person)
- Cluster — cosponsor (person)
- Conaway — cosponsor (person)
- Corderman — cosponsor (person)
- Dumais — cosponsor (person)
- Ebersole — cosponsor (person)
- Fisher — cosponsor (person)
- Flanagan — cosponsor (person)
- Folden — cosponsor (person)
- Frush — cosponsor (person)
- Ghrist — cosponsor (person)
- Gibson — cosponsor (person)
- Glass — cosponsor (person)
- Grammer — cosponsor (person)
- Hornberger — cosponsor (person)
- Jackson — cosponsor (person)
- Jacobs — cosponsor (person)
- Jameson — cosponsor (person)
- Kipke — cosponsor (person)
- Kittleman — cosponsor (person)
- Krebs — cosponsor (person)
- Krimm — cosponsor (person)
- Lafferty — cosponsor (person)
- Long — cosponsor (person)
- Luedtke — cosponsor (person)
- Malone — cosponsor (person)
- Mautz — cosponsor (person)
- McComas — cosponsor (person)
- McConkey — cosponsor (person)
- McKay — cosponsor (person)
- Metzgar — cosponsor (person)
- Miele — cosponsor (person)
- Morgan — cosponsor (person)
- Morhaim — cosponsor (person)
- Mosby — cosponsor (person)
- Otto — cosponsor (person)
- P. Young — cosponsor (person)
- Parrott — cosponsor (person)
- Patterson — cosponsor (person)
- Proctor — cosponsor (person)
- Queen — cosponsor (person)
- Reilly — cosponsor (person)
- Robinson — cosponsor (person)
- Rose — cosponsor (person)
- S. Howard — cosponsor (person)
- Saab — cosponsor (person)
- Sanchez — cosponsor (person)
- Shoemaker — cosponsor (person)
- Simonaire — cosponsor (person)
- Sophocleus — cosponsor (person)
- Sydnor — cosponsor (person)
- Szeliga — cosponsor (person)
- Vogt — cosponsor (person)
- W. Miller — cosponsor (person)
- Wilson — cosponsor (person)

## Timeline

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

- **2018-01-29** First Reading Ways and Means `referral-committee`
- **2018-01-29** Hearing 2/14 at 1:00 p.m.
- **2018-03-16** Favorable with Amendments Report by Ways and Means `committee-passage-favorable`
- **2018-03-17** Favorable with Amendments {365168/1 Report Adopted `committee-passage-favorable`
- **2018-03-17** Second Reading Passed with Amendments
- **2018-03-19** Third Reading Passed (138-0) `passage`
- **2018-03-19** First Reading Budget and Taxation `referral-committee`
- **2018-03-21** Hearing 3/27 at 1:00 p.m.
- **2018-03-28** Favorable with Amendments Report by Budget and Taxation `committee-passage-favorable`
- **2018-03-28** Favorable with Amendments {349732/1 Report Adopted `committee-passage-favorable`
- **2018-03-28** Second Reading Passed with Amendments
- **2018-03-29** Third Reading Passed with Amendments (45-0) `passage`
- **2018-04-05** House Refuses to Concur - Senate Amendments
- **2018-04-05** House Requests Senate Recede
- **2018-04-05** Conference Committee Appointed
- **2018-04-05** Delegates Walker, Buckel, and Ebersole
- **2018-04-05** Motion Recede (Senator Kasemeyer) Adopted
- **2018-04-05** Committee Amendment {349732/1 Withdrawn
- **2018-04-05** Senate Recede
- **2018-04-05** Third Reading Passed (42-0) `passage`
- **2018-04-06** Returned Passed
- **2018-05-15** Approved by the Governor - Chapter 603 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/470777c0-0938-4c06-be39-713e830b4978`. Confidence: reported (aggregated from official Maryland legislature records).