---
type: "Bill"
title: "Income Tax – Standard Deduction – Alteration and Cost–of–Living Adjustments"
description: "Income Tax – Standard Deduction – Alteration and Cost–of–Living Adjustments"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2018"
identifier: "SB 318"
citation: "Maryland SB 318 (2018)"
classification: ["bill"]
subjects: ["Taxes - Income", "Income Tax", "Sunset"]
status: "enacted"
primary_sponsors: ["Kasemeyer"]
version_count: 1
action_count: 25
vote_count: 8
first_action: "2018-01-24"
last_action: "2018-05-15"
source: "openstates"
source_identifier: "ocd-bill/b1db3310-1f49-4a96-80d8-7d21bef2837f"
source_url: "http://mgaleg.maryland.gov/webmga/frmMain.aspx?id=SB318&stab=01&pid=billpage&tab=subject3&ys=2018rs"
source_hash: "7b7dc26def2e84ce7230388edb5c3fe8165e07f369a13f9c1e19bd6dec025991"
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 SB 318 (2018) — Income Tax – Standard Deduction – Alteration and Cost–of–Living Adjustments

## 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/sb/sb0318f.pdf)

## Votes

- Floor amendment Hough /433827/1 — **13–32** (fail) · upper
- Floor amendment Bates /283527/1 — **14–31** (fail) · upper
- Favorable with amendments adp - ON 2ND RDG — **52–84** (fail) · lower
- Floor amendment Ready /363925/1 — **14–31** (fail) · upper
- On third reading — **45–0** (pass) · upper
- Floor amendment Hough /583924/1 — **13–32** (fail) · upper
- On Third Reading — **46–0** (pass) · upper
- On Third Reading — **136–0** (pass) · lower

## Sponsors

- Kasemeyer — primary (person)
- Bates — cosponsor (person)
- Currie — cosponsor (person)
- DeGrange — cosponsor (person)
- Eckardt — cosponsor (person)
- Edwards — cosponsor (person)
- Ferguson — cosponsor (person)
- Guzzone — cosponsor (person)
- Hershey — cosponsor (person)
- Hough — cosponsor (person)
- Jennings — cosponsor (person)
- King — cosponsor (person)
- Madaleno — cosponsor (person)
- McFadden — cosponsor (person)
- Norman — cosponsor (person)
- Peters — cosponsor (person)
- Ready — cosponsor (person)
- Reilly — cosponsor (person)
- Salling — cosponsor (person)
- Serafini — cosponsor (person)
- Simonaire — cosponsor (person)
- Waugh — cosponsor (person)

## Timeline

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

- **2018-01-24** First Reading Budget and Taxation `referral-committee`
- **2018-01-31** Hearing 2/21 at 1:00 p.m.
- **2018-03-07** Favorable with Amendments Report by Budget and Taxation `committee-passage-favorable`
- **2018-03-08** Favorable with Amendments {499136/1 `committee-passage-favorable`
- **2018-03-08** Laid Over (Senator Hough) Adopted
- **2018-03-09** Favorable with Amendments {499136/1 `committee-passage-favorable`
- **2018-03-09** Special Order until 3/12 (Senator Jennings) Adopted
- **2018-03-12** Favorable with Amendments {499136/1 Report Adopted `committee-passage-favorable`
- **2018-03-12** Floor Amendment {433827/1 (Senator Hough) Rejected (13-32) `amendment-failure`
- **2018-03-12** Floor Amendment {583924/1 (Senator Hough) Rejected (13-32) `amendment-failure`
- **2018-03-12** Floor Amendment {363925/1 (Senator Ready) Rejected (14-31) `amendment-failure`
- **2018-03-12** Floor Amendment {283527/1 (Senator Bates) Rejected (14-31) `amendment-failure`
- **2018-03-12** Second Reading Passed with Amendments
- **2018-03-14** Third Reading Passed (46-0) `passage`
- **2018-03-14** First Reading Ways and Means `referral-committee`
- **2018-03-16** Hearing 3/28 at 1:00 p.m.
- **2018-04-05** Favorable with Amendments Report by Ways and Means `committee-passage-favorable`
- **2018-04-05** Favorable with Amendments {155465/1 Report Adopted `committee-passage-favorable`
- **2018-04-05** Floor Amendment {523126/1 (Delegate Kipke) Rejected (52-84) `amendment-failure`
- **2018-04-05** Second Reading Passed with Amendments
- **2018-04-06** Third Reading Passed with Amendments (136-0) `passage`
- **2018-04-09** Senate Concur - House Amendments
- **2018-04-09** Third Reading Passed (45-0) `passage`
- **2018-04-09** Passed Enrolled
- **2018-05-15** Approved by the Governor - Chapter 577 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/b1db3310-1f49-4a96-80d8-7d21bef2837f`. Confidence: reported (aggregated from official Maryland legislature records).