(a) Records prior to Act. Licensed importers and licensed manufacturers may dispose of records of sale or other disposition of firearms prior to December 16, 1968. Licensed dealers and licensed collectors may dispose of all records of firearms transactions that occurred prior to December 16, 1968.

(b) Firearms transaction record. Licensees shall retain each Form 4473 and Form 4473(LV) for a period of not less than 20 years after the date of sale or disposition. Where a licensee has initiated a NICS check for a proposed firearms transaction, but the sale, delivery, or transfer of the firearm is not made, the licensee shall record any transaction number on the Form 4473, and retain the Form 4473 for a period of not less than 5 years after the date of the NICS inquiry. Forms 4473 shall be retained in the licensee's records as provided in § 478.124(b): Provided, That Forms 4473 with respect to which a sale, delivery or transfer did not take place shall be separately retained in alphabetical (by name of transferee) or chronological (by date of transferee's certification) order.

(c) Statement of intent to obtain a handgun, reports of multiple sales or other disposition of pistols and revolvers, and reports of theft or loss of firearms. Licensees shall retain each Form 5300.35 (Statement of Intent to Obtain a Handgun(s)) for a period of not less than 5 years after notice of the intent to obtain the handgun was forwarded to the chief law enforcement officer, as defined in § 478.150(c). Licensees shall retain each copy of Form 3310.4 (Report of Multiple Sale or Other Disposition of Pistols and Revolvers) for a period of not less than 5 years after the date of sale or other disposition. Licensees shall retain each copy of Form 3310.11 (Federal Firearms Licensee Theft/Loss Report) for a period of not less than 5 years after the date the theft or loss was reported to ATF.

(d) Records of importation and manufacture. Licensees will maintain permanent records of the importation, manufacture, or other acquisition of firearms, including ATF Forms 6 and 6A as required by subpart G of this part. Licensed importers' records and licensed manufacturers' records of the sale or other disposition of firearms after December 15, 1968, shall be retained through December 15, 1988, after which records of transactions over 20 years of age may be discarded.

(e) Records of dealers and collectors under the Act. The records prepared by licensed dealers and licensed collectors under the Act of the sale or other disposition of firearms and the corresponding record of receipt of such firearms shall be retained through December 15, 1988, after which records of transactions over 20 years of age may be discarded.

(f) Retention of records of transactions in semiautomatic assault weapons. The documentation required by §§ 478.40(c) and 478.132 shall be retained in the licensee's permanent records for a period of not less than 5 years after the date of sale or other disposition.