[Code of Federal Regulations] [Title 42, Volume 2] [Revised as of October 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 42CFR424.33] [Page 941-942] TITLE 42--PUBLIC HEALTH HUMAN SERVICES PART 424--CONDITIONS FOR MEDICARE PAYMENT--Table of Contents Subpart C--Claims for Payment Sec. 424.33 Additional requirements: Claims for services of providers and claims by suppliers and nonparticipating hospitals. 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 [[Page 942]] (b) Signed by the provider, supplier, or hospital unless CMS instructions waive this requirement.