CFR > Title 20 - Employees' Benefits > CHAPTER III—SOCIAL SECURITY ADMINISTRATION > PART 416—SUPPLEMENTAL SECURITY INCOME FOR THE AGED, BLIND, AND DISABLED > SUBPART N—Determinations, Administrative Review Process, and Reopening of Determinations and Decisions (§416.1400 to §416.1499) > 416.1405—Effect of an initial determination.