21 CFR §1312.26
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
In addition to any other records required by this chapter, the exporter must keep a record of any serial numbers that might appear on packages of narcotic drugs in quantities of one ounce or more in such a manner as will identify the foreign consignee, along with an official record of the export permit, in accordance with part 1304 of this chapter.