---
type: "Bill"
title: "Income Tax – Subtraction Modification for Centenarians"
description: "Income Tax – Subtraction Modification for Centenarians"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2022"
identifier: "HB 186"
citation: "Maryland HB 186 (2022)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Brooks"]
version_count: 3
action_count: 13
vote_count: 2
first_action: "2021-10-18"
last_action: "2022-05-12"
source: "openstates"
source_identifier: "ocd-bill/e1e28702-de26-4628-abe7-fd67c6cd503b"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0186?ys=2022RS&search=True"
source_hash: "b58a8c9503586d131877cde2e94dc4fcccee702e8e245d15028356da1f996ba4"
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 186 (2022) — Income Tax – Subtraction Modification for Centenarians

## Version chain

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

1. **Chapter - Income Tax – Subtraction Modification for Centenarians** (committee substitute) — [source](http://mgaleg.maryland.gov/2022RS/Chapters_noln/CH_291_hb0186t.pdf)
2. **First - Income Tax – Subtraction Modification for Centenarians** (committee substitute) — [source](http://mgaleg.maryland.gov/2022RS/bills/hb/hb0186f.pdf)
3. **Third - Income Tax – Subtraction Modification for Centenarians** (committee substitute) — [source](http://mgaleg.maryland.gov/2022RS/bills/hb/hb0186t.pdf)

## Votes

- On Third Reading — **45–0** (pass) · upper
- On Third Reading — **127–0** (pass) · lower

## Sponsors

- Brooks — primary (person)

## Timeline

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

- **2021-10-18** Pre-filed `introduction`
- **2022-01-12** First Reading Ways and Means `referral-committee`
- **2022-01-04** Hearing 1/13 at 1:00 p.m.
- **2022-03-19** Favorable with Amendments Report by Ways and Means `committee-passage-favorable`
- **2022-03-19** Favorable with Amendments { `committee-passage-favorable`
- **2022-03-19** Second Reading Passed with Amendments
- **2022-03-21** Third Reading Passed `passage`
- **2022-03-21** Referred Budget and Taxation `referral-committee`
- **2022-04-04** Favorable Report by Budget and Taxation `committee-passage-favorable`
- **2022-04-04** Favorable Adopted Second Reading Passed `committee-passage-favorable`
- **2022-04-06** Third Reading Passed `passage`
- **2022-04-07** Returned Passed
- **2022-05-12** Approved by the Governor - Chapter 291 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/e1e28702-de26-4628-abe7-fd67c6cd503b`. Confidence: reported (aggregated from official Maryland legislature records).