CFR - Code of Federal Regulations Title 21 Sec. 1302.02 Definitions. Any term contained in this part shall have the definition set forth in section 102 of the Act (21 U.S.C. 802) or part 1300 of this chapter. Sec. 1302.03 Symbol required; exceptions. (a) Each commercial container of a controlled substance (except for a controlled substance excepted by the Administrator pursuant to ...