We will find you entitled to old-age benefits if you meet the following three conditions:
(a)
You are at least 62 years old;
(b)
You have enough social security earnings to be fully insured as defined in §§ 404.110 through 404.115; and
(c)
You apply; or you are entitled to disability benefits up to the month you attain full retirement age (as defined in § 404.409 ). When you attain full retirement age, your disability benefits automatically become old-age benefits.
Code of Federal Regulations
[68 FR 4702, Jan. 30, 2003]