Colorado Law 18-12-115. Waiting period for firearms sales – background check required – penalty – exceptions. (1) (a) IT IS UNLAWFUL FOR ANY PERSON WHO SELLS A FIREARM, INCLUDING A LICENSED GUN DEALER AS DEFINED IN SECTION 18-12-506 (6), TO DELIVER THE FIREARM TO THE PURCHASER UNTIL THE LATER IN TIME OCCURS: (I) THREE DAYS AFTER A LICENSED GUN DEALER HAS INITIATED A BACKGROUND CHECK OF THE PURCHASER THAT IS REQUIRED PURSUANT TO STATE OR FEDERAL LAW; OR (II) THE SELLER HAS OBTAINED APPROVAL FOR THE FIREARM TRANSFER FROM THE BUREAU AFTER IT HAS COMPLETED ANY BACKGROUND CHECK REQUIRED BY STATE OR FEDERAL LAW. (b) A PERSON WHO VIOLATES THIS SUBSECTION (1) COMMITS A CIVIL INFRACTION AND, UPON CONVICTION THEREOF, SHALL BE PUNISHED BY A FINE OF FIVE HUNDRED DOLLARS; EXCEPT THAT FOR A SECOND OR SUBSEQUENT OFFENSE, THE FINE SHALL BE NOT LESS THAN FIVE HUNDRED DOLLARS AND NOT MORE THAN FIVE THOUSAND DOLLARS. (2) THIS SECTION DOES NOT APPLY TO: (a) THE SALE OF AN ANTIQUE FIREARM, AS DEFINED IN 18 U. S .0 . SEC. 921 (a)(16), AS AMENDED, OR A CURIO OR RELIC, AS DEFINED IN 27 CFR 478.11, AS AMENDED; (b) THE SALE OF A FIREARM BY A PERSON SERVING IN THE ARMED FORCES OF THE UNITED STATES WHO WILL BE DEPLOYED OUTSIDE OF THE UNITED STATES WITHIN THE NEXT THIRTY DAYS TO ANY FAMILY MEMBER, INCLUDING: (I) REGARDLESS OF AGE, A BIOLOGICAL, ADOPTED, OR FOSTER CHILD; A STEPCHILD OR LEGAL WARD; A CHILD OF A DOMESTIC PARTNER; A CHILD TO WHOM THE SELLER STANDS IN LOCO PARENTIS; OR A PERSON TO WHOM THE SELLER STOOD IN LOCO PARENTIS WHEN THE PERSON WAS A MINOR; (II) A BIOLOGICAL, ADOPTIVE, OR FOSTER PARENT; A STEPPARENT OR LEGAL GUARDIAN OF THE SELLER OR SELLER’S SPOUSE OR DOMESTIC PARTNER; OR A PERSON WHO STOOD IN LOCO PARENTIS WHEN THE SELLER OR SELLER’S SPOUSE OR DOMESTIC PARTNER WAS A MINOR CHILD; (III) A PERSON TO WHOM THE SELLER IS LEGALLY MARRIED UNDER THE LAWS OF ANY STATE OR A DOMESTIC PARTNER OF A SELLER; (IV) A GRANDPARENT, GRANDCHILD, OR SIBLING, WHETHER A BIOLOGICAL, FOSTER, ADOPTIVE OR STEP RELATIONSHIP, OF THE SELLER OR SELLER’S SPOUSE OR DOMESTIC PARTNER; OR (V) As SHOWN BY THE SELLER, ANY OTHER INDIVIDUAL WITH WHOM THE SELLER HAS A SIGNIFICANT PERSONAL BOND THAT IS OR IS LIKE A FAMILY RELATIONSHIP, REGARDLESS OF BIOLOGICAL OR LEGAL RELATIONSHIP; OR (c) A FIREARM TRANSFER FOR WHICH A BACKGROUND CHECK IS NOT REQUIRED PURSUANT TO STATE OR FEDERAL LAW. (3) PURSUANT TO THE AUTHORITY GRANTED IN SECTION 29-11.7-103, A LOCAL GOVERNMENT MAY ENACT AN ORDINANCE, REGULATION, OR OTHER LAW CONCERNING A WAITING PERIOD.