45 CFR § 95.31
Where to send a waiver request for good cause
April 14, 2021
(a) A request which affects the program(s) of only one HHS agency, CMS or ACF and does not affect the programs of any other agency or Federal Department should be sent to the appropriate HHS agency.
(b) A request which affects programs of more than one HHS agency or Federal Department should be sent to the Director, Division of Cost Allocation in the appropriate HHS Regional Office.
[46 FR 3529, Jan. 15, 1981, as amended at 75 FR 66336, Oct. 28, 2010]