4 U.S. Code § 102
4 U.S. Code § 102 is about Same; by whom administered. It is under Chapter 4 (The States) of Title 4 (Flag And Seal, Seat Of Government, And The States) of the Code.
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.