20 C.F.R. § 404.990 Finality of determinations and decisions on revision of an earnings record.
Title 20 - Employees' Benefits
A determination or a decision on a revision of an earnings record may be reopened only within the time period and under the conditions provided in section 205(c) (4) or (5) of the Act, or within 60 days after the date you receive notice of the determination or decision, whichever is later.
Title 20: Employees' Benefits
PART 404—FEDERAL OLD-AGE, SURVIVORS AND DISABILITY INSURANCE (1950– )
Subpart J—Determinations, Administrative Review Process, and Reopening of Determinations and Decisions
Reopening and Revising Determinations and Decisions
§ 404.990 Finality of determinations and decisions on revision of an earnings record.