15 U.S.C. 1093 (SECTION 25 OF THE LANHAM ACT): REGISTRATION CERTIFICATES FOR MARKS ON PRINCIPAL AND SUPPLEMENTAL REGISTERS TO BE DIFFERENT
Taken from the U.S. Government Publishing Office in February 2016
§1093 REGISTRATION CERTIFICATES FOR MARKS ON PRINCIPAL AND SUPPLEMENTAL REGISTERS TO BE DIFFERENT
The certificates of registration for marks registered on the supplemental register shall be conspicuously different from certificates issued for marks registered on the principal register.