28 CFR § 32.46
Director appeal
July 24, 2020
(a) In order to exhaust his administrative remedies, a claimant seeking relief from the denial of his claim shall appeal to the Director under subpart F of this part.
(b) Consistent with §32.8, any claim denial that is not appealed to the Director under paragraph (a) of this section shall constitute the final agency determination, unless the denial is reviewed otherwise under subpart F of this part.