---
type: "Bill"
title: "Sales and Use Tax and Personal Property Tax - Exemptions - Data Centers"
description: "Sales and Use Tax and Personal Property Tax - Exemptions - Data Centers"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2020"
identifier: "SB 397"
citation: "Maryland SB 397 (2020)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Hershey", "Peters"]
version_count: 4
action_count: 18
vote_count: 4
first_action: "2020-01-27"
last_action: "2020-05-08"
source: "openstates"
source_identifier: "ocd-bill/dd9e97f1-7ba7-4852-b977-c143196869f7"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/sb0397?ys=2020RS&search=True"
source_hash: "53d02f76f867e7cd382b836b921b13052371720c99aff5532f54d0e991d1bff2"
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 397 (2020) — Sales and Use Tax and Personal Property Tax - Exemptions - Data Centers

## Version chain

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

1. **Chapter - Sales and Use Tax and Personal Property Tax - Exemptions - Data Centers** (committee substitute) — [source](http://mgaleg.maryland.gov/2020RS/Chapters_noln/CH_640_sb0397e.pdf)
2. **Enrolled - Sales and Use Tax and Personal Property Tax - Exemptions - Data Centers** (committee substitute) — [source](http://mgaleg.maryland.gov/2020RS/bills/sb/sb0397e.pdf)
3. **First - Sales and Use Tax and Personal Property Tax - Exemptions - Data Centers** (committee substitute) — [source](http://mgaleg.maryland.gov/2020RS/bills/sb/sb0397f.pdf)
4. **Third - Sales and Use Tax and Personal Property Tax - Exemptions - Data Centers** (committee substitute) — [source](http://mgaleg.maryland.gov/2020RS/bills/sb/sb0397t.pdf)

## Votes

- On Third Reading — **45–0** (pass) · upper
- ON THIRD READING (Rules Suspended) (Amend) — **123–6** (pass) · lower
- Motion to suspend rules and allow 2 Rdgs on 1 Day — **124–4** (pass) · lower
- On third reading — **45–0** (pass) · upper

## Sponsors

- Hershey — primary (person)
- Peters — primary (person)

## Timeline

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

- **2020-01-27** First Reading Budget and Taxation `referral-committee`
- **2020-01-29** Hearing 2/12 at 2:00 p.m.
- **2020-02-10** Hearing canceled
- **2020-02-10** Hearing 2/12 at 1:00 p.m.
- **2020-03-12** Favorable with Amendments Report by Budget and Taxation `committee-passage-favorable`
- **2020-03-13** Favorable with Amendments { `committee-passage-favorable`
- **2020-03-13** Second Reading Passed with Amendments
- **2020-03-15** Third Reading Passed `passage`
- **2020-03-15** Referred Ways and Means `referral-committee`
- **2020-03-17** Favorable with Amendments Report by Ways and Means `committee-passage-favorable`
- **2020-03-17** Favorable with Amendments { `committee-passage-favorable`
- **2020-03-17** Second Reading Passed with Amendments
- **2020-03-17** Motion Rules Suspend Two Readings Same Day (Delegate Luedtke) Adopted
- **2020-03-17** Third Reading Passed `passage`
- **2020-03-18** Senate Concurs House Amendments
- **2020-03-18** Third Reading Passed `passage`
- **2020-03-18** Passed Enrolled
- **2020-05-08** Enacted under Article II, Section 17(c) of the Maryland Constitution - Chapter 640 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/dd9e97f1-7ba7-4852-b977-c143196869f7`. Confidence: reported (aggregated from official Maryland legislature records).