45 C.F.R. § 2105.59 – How are decisions on appeals issued?

(a) A decision on an appeal must be made in writing.
(b) A decision that upholds the Agency's determination will notify you of the decision and your statutory right to file a lawsuit.
(c) A decision that overturns, remands, or modifies the Agency's determination will notify you of the decision. The Agency then must further process the request in accordance with the appeal determination.