21 CFR § 1312.21 - Requirement of authorization to export.
(a) No person shall in any manner export, or cause to be exported, from the United States any controlled substance listed in Schedule I or II, or any narcotic controlled substance listed in Schedule III or IV, or any non-narcotic controlled substance in Schedule III which the Administrator has specifically designated by regulation in § 1312.30 or any non-narcotic controlled substance in Schedule IV or V which is also listed in Schedule I or II of the Convention on Psychotropic Substances, 1971, unless and until such person is properly registered under the Act (or, in accordance with part 1301 of this chapter, exempt from registration) and the Administrator has issued him or her a permit to do so in accordance with § 1312.23.
(b) No person shall in any manner export, or cause to be exported, from the United States any non-narcotic controlled substance listed in Schedule III, IV, or V, excluding those described in paragraph (a) of this section, or any narcotic controlled substance listed in Schedule V, unless and until such person is properly registered under the Act (or, in accordance with part 1301 of this chapter, exempt from registration) and has furnished an export declaration as provided by section 1003 of the Act (21 U.S.C. 953(e)) to the Administration in accordance with § 1312.28.
(c) A separate permit or declaration is required for each shipment of controlled substance to be exported.