25 CFR § 573.5
When does an enforcement action become final agency action?
February 24, 2021
An enforcement action shall become final agency action and a final order of the Commission when:
(a) A respondent fails to appeal the enforcement action as provided for in subchapter H of this chapter and does not enter into a settlement agreement resolving the matter in its entirety; or
(b) A respondent enters into a settlement agreement resolving the matter in its entirety at any time after the issuance of the enforcement action.
[77 FR 47519, Aug. 9, 2012, as amended at 78 FR 4324, Jan. 22, 2013]