21 CFR 1312.19 - Distribution of import declaration.
The required five copies of the controlled substances import declaration will be distributed as follows:
(a) Copy 1, Copy 2, and Copy 3 shall be transmitted to the foreign shipper. The foreign shipper will submit Copy 1 to the proper governmental authority in the foreign country, if required as a prerequisite to export authorization. Copy 1 will then accompany the shipment to its destination, and shall be retained on file by the importer. Copy 2 shall be detached and retained by the appropriate customs official of the foreign country. Copy 3 shall be removed by the District Director of the U.S. Customs Service at the port of entry, who shall sign and date the certification of customs on Copy 3, noting any changes from the entries made by the importer, and shall then forward that copy to the Drug Operations Section of the Administration.
(b) Copy 4 shall be forwarded, within the time limit required in § 1312.18, directly to the Import/Export Unit, Drug Enforcement Administration. See the Table of DEA Mailing Addresses in § 1321.01 of this chapter for the current mailing address.
(c) Copy 5 shall be retained by the importer on file as his record of authority for the importation.