20 C.F.R. § 416.1493

A revised determination or decision is binding unless—

(a) You or a party to the revised determination file a written request for a reconsideration or a hearing;

(b) You or another party to the revised decision file, as appropriate, a request for review by the Appeals Council or a hearing;

(c) The Appeals Council reviews the revised decision; or

(d) The revised determination or decision is further revised.