42 C.F.R. § 424.33 Additional requirements: Claims for services of providers and claims by suppliers and nonparticipating hospitals.
Title 42 - Public Health
All claims for services of providers and all claims by suppliers and nonparticipating hospitals must be— (a) Filed by the provider, supplier, or hospital; and (b) Signed by the provider, supplier, or hospital unless CMS instructions waive this requirement.
Title 42: Public Health
PART 424—CONDITIONS FOR MEDICARE PAYMENT
Subpart C—Claims for Payment
§ 424.33 Additional requirements: Claims for services of providers and claims by suppliers and nonparticipating hospitals.

