18 U.S.C. § 1729 : US Code - Section 1729: Post office conducted without authority

Search 18 U.S.C. § 1729 : US Code - Section 1729: Post office conducted without authority

Whoever, without authority from the Postal Service, sets up or
professes to keep any office or place of business bearing the sign,
name, or title of post office, shall be fined under this title.