[Code of Federal Regulations] [Title 12, Volume 1] [Revised as of January 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 42CFR447.203] [Page 303] TITLE 42--PUBLIC HEALTH CHAPTER IV--CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES--(Continued) PART 447--PAYMENTS FOR SERVICES--Table of Contents Subpart B--Payment Methods: General Provisions Sec. 447.203 Documentation of payment rates. (a) The agency must maintain documentation of payment rates and make it available to HHS upon request. (b) The agency must record, in State manuals or other official files, the following information for increases in payment rates for individual practitioner services: (1) An estimate of the percentile of the range of customary charges to which the revised payment structure equates and a description of the methods used to make the estimate. (2) An estimate of the composite average percentage increase of the revised payment rates over the preceding rates.