CFR › Title 38 › Part 21 › §21.780338 CFR §21.7803Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkThe revision of a decision on which an action was predicated is subject to the following sections:(a)Clear and unmistakable error, § 3.105(a) of this chapter; and(b)Difference of opinion, § 3.105(b) of this chapter.