US lawFederal (United States)RegulationsTitle 20 CFR — Employees' BenefitsChapter III — SOCIAL SECURITY ADMINISTRATIONPart 404 — FEDERAL OLD-AGE, SURVIVORS AND DISABILITY INSURANCE (1950- )Subpart J — Determinations, Administrative Review Process, and Reopening of Determinations and Decisions404.90520 C.F.R. § 404.905Effect of an initial determination.Last amended: 2016Year: 2026Length: 27 wordsOfficial source Cite as 20 C.F.R. § 404.905 (2026)An initial determination is binding unless you request a reconsideration within the stated time period, or we revise the initial determination. [51 FR 300, Jan. 3, 1986]Previous20 C.F.R. § 404.904Next20 C.F.R. § 404.906