CFR›Title 20›Chapter III›Part 404›Subpart C›Subject Group Old-Start Method of Computing Primary Insurance Amounts ContainsSections 404.240–404.243CorpusDaily eCFRDisplayed edition2026-07-02Last updated2026-07-02 Sections 404.240 § 404.240 Old-start method—general. 404.241 § 404.241 1977 simplified old-start method. 404.242 § 404.242 Use of old-start primary insurance amount as guaranteed alternative. 404.243 § 404.243 Computation where you are eligible for a pension based on noncovered employment. Previous Guaranteed Alternative for People Reaching Age 62 After 1978 but Before 1984 Guaranteed Alternative for People Reaching Age 62 After 1978 but Before 1984 Next Recalculations of Primary Insurance Amounts Recalculations of Primary Insurance Amounts