---
type: "Bill"
title: "Criminal Law - Interference With Critical Infrastructure or a Public Safety Answering Point"
description: "Criminal Law - Interference With Critical Infrastructure or a Public Safety Answering Point"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2026"
identifier: "HB 593"
citation: "Maryland HB 593 (2026)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Boyce", "Guzzone", "Hill", "Moreno", "Smith"]
version_count: 3
action_count: 12
vote_count: 2
first_action: "2026-01-28"
last_action: "2026-05-12"
source: "openstates"
source_identifier: "ocd-bill/252da392-e410-42c3-87d3-d53168d4b0c5"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0593?ys=2026RS"
source_hash: "4b7ec83e06a2e960918e143e3d5a3bfed6f23e1fdccda002917fcf908f6b24f7"
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 593 (2026) — Criminal Law - Interference With Critical Infrastructure or a Public Safety Answering Point

## Version chain

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

1. **Chapter - Criminal Law - Interference With Critical Infrastructure or a Public Safety Answering Point** (committee substitute) — [source](http://mgaleg.maryland.gov/2026RS/Chapters_noln/CH_521_hb0593t.pdf)
2. **First - Criminal Law - Interference With Critical Infrastructure or a Public Safety Answering Point** (committee substitute) — [source](http://mgaleg.maryland.gov/2026RS/bills/hb/hb0593f.pdf)
3. **Third - Criminal Law - Interference With Critical Infrastructure or a Public Safety Answering Point** (committee substitute) — [source](http://mgaleg.maryland.gov/2026RS/bills/hb/hb0593t.pdf)

## Votes

- On Third Reading — **136–0** (pass) · lower
- HB 593 HB 634 HB 750 HB 752 HB 904 HB 996 — **45–0** (pass) · upper

## Sponsors

- Boyce — primary (person)
- Guzzone — primary (person)
- Hill — primary (person)
- Moreno — primary (person)
- Smith — primary (person)

## Timeline

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

- **2026-01-28** First Reading Judiciary `referral-committee`
- **2026-01-30** Hearing 2/10 at 1:00 p.m.
- **2026-02-23** Favorable Report by Judiciary `committee-passage-favorable`
- **2026-02-24** Favorable Adopted `committee-passage-favorable`
- **2026-02-24** Second Reading Passed
- **2026-02-26** Third Reading Passed `passage`
- **2026-02-27** Referred Judicial Proceedings `referral-committee`
- **2026-04-08** Favorable Report by Judicial Proceedings `committee-passage-favorable`
- **2026-04-08** Favorable Adopted Second Reading Passed `committee-passage-favorable`
- **2026-04-13** Third Reading Passed `passage`
- **2026-04-13** Returned Passed
- **2026-05-12** Approved by the Governor - Chapter 521 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/252da392-e410-42c3-87d3-d53168d4b0c5`. Confidence: reported (aggregated from official Maryland legislature records).