20 C.F.R. § 404.735 Evidence you are the grandchild or stepgrandchild.
Title 20 - Employees' Benefits
If you are the grandchild or stepgrandchild of the insured person, we will ask you for the kind of evidence described in §§404.731 through 404.733 that shows your relationship to your parent and your parent's relationship to the insured.
Title 20: Employees' Benefits
PART 404—FEDERAL OLD-AGE, SURVIVORS AND DISABILITY INSURANCE (1950– )
Subpart H—Evidence
Evidence for Child's and Parent's Benefits
§ 404.735 Evidence you are the grandchild or stepgrandchild.
