816.01 How to Amend
If an application meets the requirements noted in TMEP §815.02, the application may be amended by requesting that the words “Principal Register” be changed to “Supplemental Register,” or that “the application is amended to the Supplemental Register.”
An application under §66(a) of the Trademark Act cannot be amended to the Supplemental Register. Trademark Act §68(a)(4), 15 U.S.C. §1141h(a)(4); 37 C.F.R. §§2.47(c) and 2.75(c).