The revision of a decision on which an action is based is subject to the following regulations:

(a) Clear and unmistakable error, §3.105(a);

(b) Difference of opinion, §3.105(b);

(c) Character of discharge, §3.105(c);

(d) Severance of service-connection, §3.105(d);

(e) Reduction to less than compensable evaluation, §3.105(e); (See §§21.48, 21.322, and 21.324)

(f) Review of decisions, §21.416.

(Authority: 38 U.S.C. 5104B, 5108, and 5112)

[49 FR 40814, Oct. 18, 1984, as amended at 84 FR 193, Jan. 18, 2019]