Code of Federal Regulations Title 27. Alcohol, Tobacco Products and Firearms § 27.19.4 Recovery and reuse of denatured spirits in manufacturing processes

(a) Use of denatured spirits, or articles or substances containing denatured spirits, in a process wherein any part or all of the spirits, including denatured spirits, are recovered;

(b) Use of denatured spirits in the production of chemicals which do not contain spirits but which are used on the permit premises in the manufacture of other chemicals resulting in spirits as a byproduct;  or

(c) Use of chemicals or substances which do not contain spirits or denatured spirits (but which were manufactured with specially denatured spirits) in a process resulting in spirits as a byproduct.