37 C.F.R. § 2.151
When the Office determines that a mark is registrable, the Office will issue to the owner a certificate of registration on the Principal Register or the Supplemental Register. The certificate will state the application filing date, the act under which the mark is registered, the date of issue, and the number of the registration and will include a reproduction of the mark and pertinent data from the application. A notice of the requirements of sections 8 and 71 of the Act will issue with the certificate.
37 C.F.R. §2.151
Part 3 pertaining to both patents and trademarks is placed in the grouping pertaining to patents regulations.
Part 4 is placed in the separate grouping of parts pertaining to patents regulations.
Part 5 is placed in the separate grouping of parts pertaining to patents regulations.