---
type: "Bill"
title: "Income Tax - Subtraction Modification - Living Organ Donors"
description: "Income Tax - Subtraction Modification - Living Organ Donors"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2021"
identifier: "HB 10"
citation: "Maryland HB 10 (2021)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["K. Young"]
version_count: 3
action_count: 14
vote_count: 1
first_action: "2020-08-31"
last_action: "2021-05-30"
source: "openstates"
source_identifier: "ocd-bill/382e1994-d275-4335-9227-ec7b62842595"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0010?ys=2021RS&search=True"
source_hash: "00ee190917e30f42eb82895869c573e67dc327f249fe03a1d94da43e655622db"
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 10 (2021) — Income Tax - Subtraction Modification - Living Organ Donors

## Version chain

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

1. **Chapter - Income Tax - Subtraction Modification - Living Organ Donors** (committee substitute) — [source](http://mgaleg.maryland.gov/2021RS/Chapters_noln/CH_498_hb0010t.pdf)
2. **First - Income Tax - Subtraction Modification - Living Organ Donors** (committee substitute) — [source](http://mgaleg.maryland.gov/2021RS/bills/hb/hb0010f.pdf)
3. **Third - Income Tax - Subtraction Modification - Living Organ Donors** (committee substitute) — [source](http://mgaleg.maryland.gov/2021RS/bills/hb/hb0010t.pdf)

## Votes

- On Third Reading — **126–4** (pass) · lower

## Sponsors

- K. Young — primary (person)

## Timeline

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

- **2020-08-31** Pre-filed `introduction`
- **2021-01-13** First Reading Ways and Means `referral-committee`
- **2020-12-22** Hearing 1/14 at 1:00 p.m.
- **2020-12-22** Hearing canceled
- **2020-12-22** Hearing 1/14 at 1:30 p.m.
- **2021-03-01** Favorable Report by Ways and Means `committee-passage-favorable`
- **2021-03-03** Favorable Adopted Second Reading Passed `committee-passage-favorable`
- **2021-03-04** Third Reading Passed `passage`
- **2021-03-05** Referred Budget and Taxation `referral-committee`
- **2021-03-31** Favorable Report by Budget and Taxation `committee-passage-favorable`
- **2021-03-31** Favorable Adopted Second Reading Passed `committee-passage-favorable`
- **2021-04-01** Third Reading Passed `passage`
- **2021-04-01** Returned Passed
- **2021-05-30** Enacted under Article II, Section 17(c) of the Maryland Constitution - Chapter 498 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/382e1994-d275-4335-9227-ec7b62842595`. Confidence: reported (aggregated from official Maryland legislature records).