republic-os/legislation/us/states/co/2021a/sb-21-078.md

---
type: "Bill"
title: "Lost Or Stolen Firearms"
description: "An individual who owns a firearm must report the loss or theft of that firearm to a law enforcement agency within 5 days after discovering that the firearm was lost or stolen. A first offense for failure to make such a report is a civil infraction punishable by a $25 fine, and a second or subsequent offense is a misdemeanor punishable by a maximum $500 fine. The 5-day reporting requirement does not apply to a licensed gun dealer.Another person who is a member of the owner's family or who resides with the owner may report the lost or stolen firearm. If the other person reports the loss or theft of the firearm, the owner is not required to make a report. A report by another person is not an acknowledgment of firearm ownership.A person who reports a lost or stolen firearm is immune from criminal prosecution for an offense pursuant to state law related to the storage of firearms.The act requires a law enforcement agency that receives a report of a lost or stolen firearm to enter information about the lost or stolen firearm into the Colorado bureau of investigation crime information center database.(Note: This summary applies to this bill as enacted.)"
jurisdiction: "us/states/co"
legislature: "Colorado General Assembly"
session: "2021A"
identifier: "SB 21-078"
citation: "Colorado SB 21-078 (2021A)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Jessie Danielson", "Leslie Herod", "Sonya Jaquez Lewis", "Tom Sullivan"]
version_count: 10
action_count: 15
vote_count: 12
first_action: "2021-02-16T07:00:00+00:00"
last_action: "2021-04-19T06:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/52e4069a-aa2a-4fcc-9a99-d4331296d820"
source_url: "http://leg.colorado.gov/bills/sb21-078"
source_hash: "f65bf64f10abbb49b2f8a998e655e022eeb3f6f55bd510682a2988553497794d"
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-co"]
---

# Colorado SB 21-078 (2021A) — Lost Or Stolen Firearms

An individual who owns a firearm must report the loss or theft of that firearm to a law enforcement agency within 5 days after discovering that the firearm was lost or stolen. A first offense for failure to make such a report is a civil infraction punishable by a $25 fine, and a second or subsequent offense is a misdemeanor punishable by a maximum $500 fine. The 5-day reporting requirement does not apply to a licensed gun dealer.Another person who is a member of the owner's family or who resides with the owner may report the lost or stolen firearm. If the other person reports the loss or theft of the firearm, the owner is not required to make a report. A report by another person is not an acknowledgment of firearm ownership.A person who reports a lost or stolen firearm is immune from criminal prosecution for an offense pursuant to state law related to the storage of firearms.The act requires a law enforcement agency that receives a report of a lost or stolen firearm to enter information about the lost or stolen firearm into the Colorado bureau of investigation crime information center database.(Note: This summary applies to this bill as enacted.)

## Version chain

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

1. **Committee Amendment** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/2021a_sb078_h_jud_001.pdf)
2. **Engrossed (03/09/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_078_eng.pdf)
3. **Final Act (04/07/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_078_enr.pdf)
4. **Introduced (02/16/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_078_01.pdf)
5. **PA1 (03/05/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_078sjud001_01.pdf)
6. **PA2 (03/24/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_078jud_01.pdf)
7. **Reengrossed (03/10/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_078_ren.pdf)
8. **Rerevised (04/05/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_078_rer.pdf)
9. **Revised (04/01/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_078_rev.pdf)
10. **Signed Act (04/19/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/2021a_078_signed.pdf)

## Votes

- AMD — **27–35** (fail) · lower
- COW * — **15–20** (fail) · upper
- BILL — **41–24** (pass) · lower
- AMD — **26–36** (fail) · lower
- AMD — **26–36** (fail) · lower
- CONCUR — **20–15** (pass) · upper
- COW * — **15–20** (fail) · upper
- AMD — **24–38** (fail) · lower
- AMD — **29–33** (fail) · lower
- AMD — **42–23** (pass) · lower
- PERM — **41–24** (pass) · lower
- BILL — **20–15** (pass) · upper

## Sponsors

- Jessie Danielson — primary (person)
- Leslie Herod — primary (person)
- Sonya Jaquez Lewis — primary (person)
- Tom Sullivan — primary (person)

## Timeline

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

- **2021-04-19T06:00:00+00:00** Governor Signed `executive-signature`
- **2021-04-08T06:00:00+00:00** Sent to the Governor `executive-receipt`
- **2021-04-07T06:00:00+00:00** Signed by the Speaker of the House
- **2021-04-07T06:00:00+00:00** Signed by the President of the Senate
- **2021-04-06T06:00:00+00:00** Senate Considered House Amendments - Result was to Concur - Repass
- **2021-04-05T06:00:00+00:00** House Third Reading Passed with Amendments - Floor `passage, reading-3`
- **2021-04-01T06:00:00+00:00** House Second Reading Passed with Amendments - Committee, Floor `reading-2`
- **2021-03-29T06:00:00+00:00** House Second Reading Laid Over to 04/01/2021 - No Amendments
- **2021-03-25T06:00:00+00:00** House Second Reading Laid Over to 03/29/2021 - No Amendments
- **2021-03-23T06:00:00+00:00** House Committee on Judiciary Refer Amended to House Committee of the Whole `committee-passage, referral-committee`
- **2021-03-11T07:00:00+00:00** Introduced In House - Assigned to Judiciary `introduction`
- **2021-03-10T07:00:00+00:00** Senate Third Reading Passed - No Amendments `passage, reading-3`
- **2021-03-09T07:00:00+00:00** Senate Second Reading Passed with Amendments - Committee `reading-2`
- **2021-03-04T07:00:00+00:00** Senate Committee on Judiciary Refer Amended to Senate Committee of the Whole `committee-passage, referral-committee`
- **2021-02-16T07:00:00+00:00** Introduced In Senate - Assigned to Judiciary `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/52e4069a-aa2a-4fcc-9a99-d4331296d820`. Confidence: reported (aggregated from official Colorado legislature records).