---
type: "Bill"
title: "Income Tax - Subtraction Modification for Classroom Supplies Purchased by Teachers - Alteration"
description: "Income Tax - Subtraction Modification for Classroom Supplies Purchased by Teachers - Alteration"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2026"
identifier: "HB 478"
citation: "Maryland HB 478 (2026)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["A. Johnson", "Addison", "Boyce", "Buckel", "Coley", "Ebersole", "Feldmark", "Fennell", "Griffith", "Harrison", "Hartman", "Hornberger", "J. Long", "Kaiser", "McComas", "Miller", "Mireku-North", "Palakovich Carr", "Pasteur", "Patterson", "Phillips", "Queen", "Roberson", "Rogers", "Ross", "Solomon", "Stinnett", "Taylor", "Toles", "Tomlinson", "Turner", "Vogel", "Watson", "Wilkins", "Wims", "Wolek", "Young"]
version_count: 3
action_count: 14
vote_count: 2
first_action: "2026-01-23"
last_action: "2026-04-14"
source: "openstates"
source_identifier: "ocd-bill/6d060c2e-f41e-4e6f-be66-10578e4ac13c"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0478?ys=2026RS"
source_hash: "306bc707847d6fc5726a3f2ce3ba8fd96cc6b85f2847bc71057ad0cd21ac35f8"
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 478 (2026) — Income Tax - Subtraction Modification for Classroom Supplies Purchased by Teachers - Alteration

## Version chain

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

1. **Chapter - Income Tax - Subtraction Modification for Classroom Supplies Purchased by Teachers - Alteration** (committee substitute) — [source](http://mgaleg.maryland.gov/2026RS/Chapters_noln/CH_61_hb0478t.pdf)
2. **First - Income Tax - Subtraction Modification for Classroom Supplies Purchased by Teachers - Alteration** (committee substitute) — [source](http://mgaleg.maryland.gov/2026RS/bills/hb/hb0478f.pdf)
3. **Third - Income Tax - Subtraction Modification for Classroom Supplies Purchased by Teachers - Alteration** (committee substitute) — [source](http://mgaleg.maryland.gov/2026RS/bills/hb/hb0478t.pdf)

## Votes

- On Third Reading — **44–0** (pass) · upper
- On Third Reading — **134–0** (pass) · lower

## Sponsors

- A. Johnson — primary (person)
- Addison — primary (person)
- Boyce — primary (person)
- Buckel — primary (person)
- Coley — primary (person)
- Ebersole — primary (person)
- Feldmark — primary (person)
- Fennell — primary (person)
- Griffith — primary (person)
- Harrison — primary (person)
- Hartman — primary (person)
- Hornberger — primary (person)
- J. Long — primary (person)
- Kaiser — primary (person)
- McComas — primary (person)
- Miller — primary (person)
- Mireku-North — primary (person)
- Palakovich Carr — primary (person)
- Pasteur — primary (person)
- Patterson — primary (person)
- Phillips — primary (person)
- Queen — primary (person)
- Roberson — primary (person)
- Rogers — primary (person)
- Ross — primary (person)
- Solomon — primary (person)
- Stinnett — primary (person)
- Taylor — primary (person)
- Toles — primary (person)
- Tomlinson — primary (person)
- Turner — primary (person)
- Vogel — primary (person)
- Watson — primary (person)
- Wilkins — primary (person)
- Wims — primary (person)
- Wolek — primary (person)
- Young — primary (person)

## Timeline

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

- **2026-01-23** First Reading Ways and Means `referral-committee`
- **2026-01-23** Hearing 2/12 at 1:00 p.m.
- **2026-03-09** Favorable with Amendments Report by Ways and Means `committee-passage-favorable`
- **2026-03-10** Favorable with Amendments { `committee-passage-favorable`
- **2026-03-10** Second Reading Passed with Amendments
- **2026-03-11** Third Reading Passed `passage`
- **2026-03-12** Referred Budget and Taxation `referral-committee`
- **2026-03-25** Hearing 3/31 at 1:00 p.m.
- **2026-04-02** Favorable Report by Budget and Taxation `committee-passage-favorable`
- **2026-04-02** Favorable Adopted `committee-passage-favorable`
- **2026-04-02** Second Reading Passed
- **2026-04-03** Third Reading Passed `passage`
- **2026-04-03** Returned Passed
- **2026-04-14** Approved by the Governor - Chapter 61 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/6d060c2e-f41e-4e6f-be66-10578e4ac13c`. Confidence: reported (aggregated from official Maryland legislature records).