An affidavit or declaration under section 8 of the Act and a renewal application under section 9 of the Act may be combined into a single document, provided that the document meets the requirements of both sections 8 and 9 of the Act.
37 C.F.R. §2.166
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.