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

1. (a) Clear and unmistakable error, § 3.105(a);
2. (b) Difference of opinion, § 3.105(b);
3. (c) Character of discharge, § 3.105(c);
4. (d) Severance of service-connection, § 3.105(d);
5. (e) Reduction to less than compensable evaluation, § 3.105(e); (See §§ 21.48, 21.322, and 21.324)

6. (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]