27 C.F.R. § 20.49 Duration of permits.
Title 27 - Alcohol, Tobacco Products and Firearms
Permits to withdraw and deal in or use specially denatured spirits are continuing unless automatically terminated by the terms thereof, suspended or revoked as provided in §20.51, or voluntarily surrendered. The provisions of §20.57 are considered part of the terms and conditions of all permits.
Title 27: Alcohol, Tobacco and Firearms
PART 20—DISTRIBUTION AND USE OF DENATURED ALCOHOL AND RUM
Subpart D—Qualification of Dealers and Users
Industrial Alcohol User Permit, Form 5150.9
§ 20.49 Duration of permits.