20 C.F.R. § 404.1508 : Employees' Benefits — SOCIAL SECURITY ADMINISTRATION — FEDERAL OLD-AGE, SURVIVORS AND DISABILITY INSURANCE (1950- ) — DETERMINING DISABILITY AND BLINDNESS —DEFINITION OF DISABILITY — Reserved
45 FR 55584, 8/20/1980, as amended at 56 FR 36954, 8/1/1991; 82 FR 5864, 3/27/2017