---
type: "Bill"
title: "AN ACT CONCERNING DATA PRIVACY BREACHES."
description: "AN ACT CONCERNING DATA PRIVACY BREACHES."
jurisdiction: "us/states/ct"
legislature: "Connecticut General Assembly"
session: "2021"
identifier: "HB 5310"
citation: "Connecticut HB 5310 (2021)"
classification: ["bill"]
subjects: ["Computer crimes", "Electronic data", "Electronic medical records", "Health care data", "Identity theft", "Notices", "Personal data", "Unfair or deceptive trade practices"]
status: "enacted"
primary_sponsors: ["Buckbee, Bill", "Fishbein, Craig C.", "Petit, William A.", "Santiago, Hilda E.", "Wilson, David T.", "Zawistowski, Tami"]
version_count: 5
action_count: 24
vote_count: 0
first_action: "2021-01-22"
last_action: "2021-06-16"
source: "openstates"
source_identifier: "ocd-bill/9f416702-3f6a-4817-9de5-12cc612cd7be"
source_url: "ftp://ftp.cga.ct.gov/pub/data/bill_info.csv"
source_hash: "90c166bea704ba778e3b2e5fb0cbfb423cb161ee4691b65197f68434ede5f205"
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-ct"]
---

# Connecticut HB 5310 (2021) — AN ACT CONCERNING DATA PRIVACY BREACHES.

## Version chain

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

1. **File No. 9** (committee substitute) — [source](https://www.cga.ct.gov/2021/FC/PDF/2021HB-05310-R000009-FC.PDF)
2. **GAE Joint Favorable** (committee substitute) — [source](https://www.cga.ct.gov/2021/TOB/H/PDF/2021HB-05310-R02-HB.PDF)
3. **GL Joint Favorable Substitute** (committee substitute) — [source](https://www.cga.ct.gov/2021/TOB/H/PDF/2021HB-05310-R01-HB.PDF)
4. **Public Act No. 21-59** (committee substitute) — [source](https://www.cga.ct.gov/2021/ACT/PA/PDF/2021PA-00059-R00HB-05310-PA.PDF)
5. **Raised Bill** (committee substitute) — [source](https://www.cga.ct.gov/2021/TOB/H/PDF/2021HB-05310-R00-HB.PDF)

## Sponsors

- Buckbee, Bill — primary (person)
- Fishbein, Craig C. — primary (person)
- Petit, William A. — primary (person)
- Santiago, Hilda E. — primary (person)
- Wilson, David T. — primary (person)
- Zawistowski, Tami — primary (person)

## Timeline

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

- **2021-01-22** REF. TO JOINT COMM. ON General Law `referral-committee`
- **2021-01-25** PUBLIC HEARING 0128
- **2021-02-16** Joint Favorable Substitute `committee-passage-favorable`
- **2021-02-17** FILED WITH LCO
- **2021-02-26** REFERRED TO Office of Legislative Research AND Office of Fiscal Analysis 03/03/21
- **2021-03-04** RPTD. OUT OF LCO
- **2021-03-04** FAV. RPT., TABLED FOR HOUSE CALENDAR
- **2021-03-04** HOUSE CALENDAR NUMBER 46
- **2021-03-04** FILE NO. 9
- **2021-04-08** REF. BY HOUSE TO COMMITTEE ON Government Administration and Elections `referral-committee`
- **2021-04-15** Joint Favorable `committee-passage-favorable`
- **2021-04-15** FILED WITH LCO
- **2021-04-15** RPTD. OUT OF LCO
- **2021-04-15** NO NEW FILE BY COMM. ON Government Administration and Elections `referral-committee`
- **2021-04-15** TABLED FOR HOUSE CALENDAR
- **2021-05-27** HOUSE PASSED `passage`
- **2021-06-01** FAV. RPT., TAB. FOR CAL., SEN.
- **2021-06-01** SENATE CALENDAR NUMBER 529
- **2021-06-04** SENATE PASSED `passage`
- **2021-06-04** ON CONSENT CALENDAR /IN CONCURRENCE
- **2021-06-09** PUBLIC ACT 21-59
- **2021-06-10** TRANSMITTED TO SECRETARY OF THE STATE
- **2021-06-10** TRANSMITTED BY SECRETARY OF THE STATE TO GOVERNOR
- **2021-06-16** SIGNED BY GOVERNOR `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/9f416702-3f6a-4817-9de5-12cc612cd7be`. Confidence: reported (aggregated from official Connecticut legislature records).