Every person, before commencing business under a trade name as an export warehouse proprietor, shall furnish with his application for permit, required by § 44.82 , a true copy of the certificate or other document, if any, issued by a State, county, or municipal authority in connection with the transaction of business under such trade name. If no such certificate or other document is so required a written statement, in duplicate, to that effect by such person will be sufficient for the purpose of this section.
27 C.F.R. § 44.85
72 Stat. 1421; 26 U.S.C. 5712