42 C.F.R. § 430.45 Reduction of Federal Medicaid payments.
Title 42 - Public Health
(a) Methods of reduction. CMS may reduce Medicaid payments to a State as required under the Act by reducing— (1) The Federal Medical Assistance Percentage; (2) The amount of State expenditures subject to FFP; (3) The rates of FFP; or (4) The amount otherwise payable to the State. (b) Right to reconsideration. A state that receives written final notice of a reduction under paragraph (a) of this section has a right to reconsideration. The provisions of §430.42 (b) and (c) apply. (c) Other applicable rules. Other rules regarding reduction of Medicaid payments are set forth in parts 433 and 447 of this chapter.
Title 42: Public Health
PART 430—GRANTS TO STATES FOR MEDICAL ASSISTANCE PROGRAMS
Subpart C—Grants; Reviews and Audits; Withholding for Failure To Comply; Deferral and Disallowance of Claims; Reduction of Federal Medicaid Payments
§ 430.45 Reduction of Federal Medicaid payments.

