First Regular Session
Seventy-fifth General Assembly
STATE OF COLORADO
REENGROSSED
This Version Includes All Amendments
Adopted in the House of Introduction
LLS NO. 25-0886.01 Owen Hatch x2698
SENATE BILL 25-205
Senate Committees House Committees
State, Veterans, & Military Affairs
A BILL FOR AN ACT
C
ONCERNING A FIREARM SERIAL NUMBER CHECK , AND, IN101
CONNECTION THEREWITH , CREATING A STANDARDIZED102
PROCEDURE FOR A FEDERAL FIREARMS LICENSEE TO REQUEST103
A FIREARM SERIAL NUMBER CHECK AND IMPOSING A PENALTY104
UNDER CERTAIN CIRCUMSTANCES IF A LICENSEE DOES NOT FILE105
A REPORT WITH LAW ENFORCEMENT .106
Bill Summary
(Note: This summary applies to this bill as introduced and does
not reflect any amendments that may be subsequently adopted. If this bill
passes third reading in the house of introduction, a bill summary that
applies to the reengrossed version of this bill will be available at
http://leg.colorado.gov
.)
The bill establishes a procedure allowing a federal firearms
SENATE
3rd Reading Unamended
April 8, 2025
SENATE
Amended 2nd Reading
April 7, 2025
SENATE SPONSORSHIP
Hinrichsen, Coleman, Gonzales J., Jodeh, Kipp, Michaelson Jenet, Sullivan, Wallace,
Weissman
HOUSE SPONSORSHIP
Espenoza and Lindstedt,
Shading denotes HOUSE amendment. Double underlining denotes SENATE amendment.
Capital letters or bold & italic numbers indicate new material to be added to existing law.
Dashes through the words or numbers indicate deletions from existing law. licensee to request a firearm serial number check prior to purchasing a
firearm from an individual and requires a local county sheriff's office to
complete the serial number check within 72 hours after the request. The
bill imposes a penalty on a licensee if a licensee fails to file a report with
law enforcement when the licensee reasonably believes, knows or should
know, or becomes aware that a person sold or attempted to sell a firearm
that is stolen, lost, or involved in an open criminal investigation.
Be it enacted by the General Assembly of the State of Colorado:1
SECTION 1. In Colorado Revised Statutes, add 29-11.7-105 as2
follows:3
29-11.7-105. Firearm serial number check - procedure -4
processing fee - penalty. (1) (a) A
FEDERAL FIREARMS LICENSEE, AS5
DESCRIBED IN SECTION 18-12-101, MAY REQUEST A FIREARM SERIAL6
NUMBER CHECK
PRIOR TO PURCHASING A FIREARM FROM AN7
INDIVIDUAL. IF A FEDERAL FIREARMS LICENSEE'S PLACE OF BUSINESS IS8
LOCATED WITHIN INCORPORATED CITY LIMITS AND REQUESTS A FIREARM9
SERIAL NUMBER CHECK , THE LICENSEE MUST REQUEST THE FIREARM10
SERIAL NUMBER CHECK FROM THE POLICE DEPARTMENT WITHIN THE CITY11
LIMITS IN WHICH THE FEDERAL FIREARMS LICENSEE 'S PLACE OF BUSINESS12
IS LOCATED. IF A FEDERAL FIREARMS LICENSEE'S PLACE OF BUSINESS IS13
LOCATED IN AN UNINCORPORATED PART OF A COUNTY AND REQUESTS A14
FIREARM SERIAL NUMBER CHECK , THE LICENSEE MUST REQUEST THE15
FIREARM SERIAL NUMBER CHECK FROM THE SHERIFF 'S DEPARTMENT OF THE16
COUNTY IN WHICH THE FEDERAL FIREARMS LICENSEE 'S PLACE OF BUSINESS17
IS LOCATED.18
(b) U
PON REQUEST BY A FEDERAL FIREARMS LICENSEE , A SHERIFF'S19
OFFICE OR POLICE DEPARTMENT
SHALL PERFORM THE FIREARM SERIAL20
NUMBER CHECK AND RESPOND WITH THE RESULT OF THE CHECK TO THE21
LICENSEE WITHIN SEVENTY-TWO HOURS AFTER THE REQUEST .22
205-2- (c) THE FIREARM SERIAL NUMBER CHECK MUST INCLUDE , AT A1
MINIMUM, INFORMATION REGARDING WHETHER THE GUN IS REPORTED2
STOLEN, LOST, OR IS INVOLVED IN AN OPEN CRIMINAL INVESTIGATION .3
(d) A
SHERIFF'S OFFICE OR POLICE DEPARTMENT
SHALL ESTABLISH4
A REASONABLE AND UNIFORM SYSTEM TO RECEIVE A FIREARM SERIAL5
NUMBER CHECK REQUEST AND PROVIDE A RESPONSE TO A REQUESTING6
LICENSEE.7
(2) (a) A
SHERIFF'S OFFICE OR POLICE DEPARTMENT
MAY CHARGE8
A FEE TO PERFORM THE FIREARM SERIAL NUMBER CHECK . THE FEE9
AMOUNT MUST REFLECT THE ACTUAL AND INDIRECT COSTS TO THE10
SHERIFF'S OFFICE OR POLICE DEPARTMENT OF PERFORMING THE FIREARM11
SERIAL NUMBER CHECK.12
(b) I
F A SHERIFF'S OFFICE OR POLICE DEPARTMENT
DOES NOT13
PERFORM THE FIREARM SERIAL NUMBER CHECK AND PROVIDE A RESPONSE14
TO THE LICENSEE WITHIN SEVENTY-TWO HOURS AFTER THE REQUEST , THE15
SHERIFF'S OFFICE OR POLICE DEPARTMENT SHALL REFUND, OR SHALL NOT16
CHARGE, THE LICENSEE FOR THE FIREARM SERIAL NUMBER CHECK .17
(3) E
ACH SHERIFF'S OFFICE OR POLICE DEPARTMENT
SHALL BEGIN18
PROVIDING FIREARM SERIAL NUMBER CHECKS NO LATER THAN JULY 1,19
2026.20
(4) I
F THE FEDERAL GOVERNMENT ALLOWS A FEDERAL FIREARMS
21
LICENSEE TO ACCESS THE FEDERAL GOVERNMENT 'S FIREARM TRACING22
PROGRAM TO ALLOW THE FEDERAL FIREARMS LICENSEE TO PERFORM A23
FIREARM SERIAL NUMBER CHECK , THE FEDERAL FIREARMS LICENSEE MAY24
PERFORM THE FIREARMS SERIAL NUMBER CHECK THEMSELF . THE FEDERAL25
FIREARMS LICENSEE IS STILL SUBJECT TO THE REPORTING REQUIREMENTS26
DESCRIBED IN SUBSECTION (5) OF THIS SECTION. THIS SUBSECTION (4) WILL27
205
-3- TAKE EFFECT AS SOON AS THE TECHNOLOGY AND INFRASTRUCTURE FOR A1
FEDERAL FIREARMS LICENSEE TO PERFORM A FIREARM SERIAL NUMBER2
SEARCH IS AVAILABLE.3
(5) (a) IF A FIREARMS DEALER WHO HOLDS A STATE PERMIT TO4
DEAL FIREARMS PURSUANT TO SECTION 18-12-401.5 REASONABLY5
BELIEVES, KNOWS OR SHOULD KNOW, OR BECOMES AWARE THAT A PERSON6
SOLD OR ATTEMPTED TO SELL A FIREARM THAT IS STOLEN , LOST, OR7
INVOLVED IN AN OPEN CRIMINAL INVESTIGATION , THE DEALER SHALL8
REPORT THAT INFORMATION TO A LAW ENFORCEMENT AGENCY WITH9
JURISDICTION OVER THE DEALER'S PLACE OF BUSINESS.10
(b) F
AILURE TO MAKE THE REPORT AS REQUIRED BY THIS11
SUBSECTION (5)
WITHIN FORTY-EIGHT HOURS AFTER THE DEALER12
REASONABLY BELIEVES, KNOWS OR SHOULD KNOW , OR BECOMES AWARE13
OF THE FIREARM BEING STOLEN, LOST, OR INVOLVED IN AN OPEN CRIMINAL14
INVESTIGATION IS SUBJECT TO THE PENALTIES DESCRIBED IN SECTION15
18-12-401.5
(7).16
SECTION 2. In Colorado Revised Statutes, 18-12-401.5, amend17
(7)(a) introductory portion as follows:18
18-12-401.5. Permit required - issuing agency - cash fund -19
inspections - penalty - report - rules - repeal. (7) (a) Except as20
provided in subsection (8) of this section, if the department finds that a21
dealer failed to post the required notice or make a report concerning22
unlawful purchases in violation of section 18-12-111; failed to make a23
record required pursuant to section 18-12-402; transferred a firearm24
without a locking device or failed to post the required notice concerning25
locking devices, in violation of section 18-12-405; failed to comply with26
any of the requirements of section 18-12-406;
FAILED TO COMPLY WITH27
205
-4- ANY OF THE REQUIREMENTS OF SECTION 29-11.7-105 (5); violated any1
other provision of this article 12 or any other state or local law concerning2
the sale of firearms; or violated any federal law or rule concerning the3
sale of firearms or firearm components for which the penalty includes4
potential revocation of the person's federal firearms license, the5
department shall:6
SECTION 3. Act subject to petition - effective date. This act7
takes effect at 12:01 a.m. on the day following the expiration of the8
ninety-day period after final adjournment of the general assembly; except9
that, if a referendum petition is filed pursuant to section 1 (3) of article V10
of the state constitution against this act or an item, section, or part of this11
act within such period, then the act, item, section, or part will not take12
effect unless approved by the people at the general election to be held in13
November 2026 and, in such case, will take effect on the date of the14
official declaration of the vote thereon by the governor.15
205
-5-