Subchapter II. The Supplemental Register 15 U.S. Code §1091. Supplemental register 15 U.S. Code §1092. Publication; not subject to opposition; cancellation 15 U.S. Code §1093. Registration certificates for marks on principal and supplemental registers to be different 15 U.S. Code §1094. Provisions of chapter applicable to registrations on supplemental register 15 U.S. Code §1095. Registration on principal register not precluded