(b) Approval of other containers. The appropriate TTB officer may approve the use of another type of container for a particular purpose in place of a type of container specifically authorized in this part for that purpose if the use of that container:

1. (1) Will provide protection to the revenue equal to or greater than that provided by the authorized container; and
2. (2) Will not hinder the effective administration of this part.

(c) Approval of other container materials. The appropriate TTB officer may approve the use of a container made of a material other than one prescribed in this subpart if the prescribed material is unsuitable for the intended purpose. If the appropriate TTB officer approves another material for a container, the approval may also specify how the container must be constructed, protected, marked, and used.

(26 U.S.C. 5002, 5206, 5212, 5213, 5214, 5301.)