Owners must file the §8 affidavit or declaration through the trademark electronic filing system, unless an exception to the requirement to file electronically applies. See 37 C.F.R. §2.23(a); TMEP §301.01. See TMEP §301.02 regarding the limited exceptions for paper submissions.

See TMEP §1604.04 regarding the deadline for filing the affidavit or declaration, and §1604.05 regarding the requirements for filing the affidavit or declaration.