(a) The symbol requirements of §§ 1302.03 through 1302.05 apply to every commercial container containing, and to all labeling of, controlled substances imported into the customs territory of the United States from any place outside thereof (but within the United States), or imported into the United States from any place outside thereof.

(b) The symbol requirements of §§ 1302.03 through 1302.05 do not apply to any commercial containers containing, or any labeling of, a controlled substance intended for export.

(c) The sealing requirements of § 1302.06 apply to every bottle, multiple dose vial, or other commercial container of any controlled substance listed in schedule I or II, or any narcotic controlled substance listed in schedule III or IV imported into the customs territory of the United States from any place outside thereof (but within the United States), or imported into the United States from any place outside thereof. The sealing requirements of § 1302.06 apply to every bottle, multiple dose vial, or other commercial container of any controlled substance listed in schedule I or II, or any narcotic controlled substance listed in schedule III or IV, exported or intended for export from the United States. These sealing and labeling requirements are in addition to any sealing requirements required under applicable customs laws.