4 U.S.C. § 102

Same; by whom administered

Such oath may be administered by any person who, by the law of the State, is authorized to administer the oath of office; and the person so administering such oath shall cause a record or certificate thereof to be made in the same manner, as by the law of the State, he is directed to record or certify the oath of office.

( July 30, 1947, ch. 389 , 61 Stat. 644 .)