31 CFR 1.34 - Guardianship.
The parent or guardian of a minor or a person judicially determined to be incompetent shall, in addition to establishing the identity of the minor or other person represented, establish parentage or guardianship by furnishing a copy of a birth certificate showing parentage or a court order establishing the guardianship and may thereafter, act on behalf of such individual. (See 5 U.S.C. 552a (h))
Title 31 published on 2013-07-01
no entries appear in the Federal Register after this date.