40 CFR § 35.4245
How does my group resolve a disagreement with EPA regarding our TAG?
June 9, 2020
The regulations at 2 CFR part 1500 Subpart E will govern disputes except that, before you may obtain judicial review of the dispute, you must have requested the Regional Administrator to review the dispute decision official's determination under 2 CFR 1500.17.
[ 79 FR 76059, Dec. 19, 2014]