26 CFR § 301.7641-1
Supervision of operations of certain manufacturers
June 25, 2020
For regulations under section 7641, except the provisions thereof relating to the manufacture of opium suitable for smoking purposes, see subparts E, F, G, and H or part 45 of this chapter (Miscellaneous Stamp Tax Regulations). For regulations relating to the manufacture of opium suitable for smoking purposes, see 26 CFR (1939) 150 (Narcotics Regulations 3, 3 FR 1402) as made applicable to section 7641 by Treasury Decision 6091, approved August 16, 1954 (19 FR 5167).