Section 1 Congressional administration of the oath of allegiance
“(C) Limitations on Congressional authority
“(i) Extent of authority—The authority under this section of a Member of, or Delegate or Resident Commissioner to, the Congress is limited solely to the administration of the oath of allegiance under section 337(a).
“(ii) Period before elections—A Member of, or Delegate or Resident Commissioner to, the Congress may not administer the oath of allegiance under section 337(a) during the 90-day period which ends on the date of any election for Federal, State, or local office in which the Member, Delegate, or Resident Commissioner is a candidate.
“(iii) Time and place of ceremony—A Member of, or Delegate or Resident Commissioner to, the Congress shall administer the oath of allegiance under section 337(a) only at such times and places as the Secretary of Homeland Security may designate.”
“(c) In the case of an oath administration by a Member of, or Delegate or Resident Commissioner to, the Congress, the functions and duties of clerks of courts described in this section shall be undertaken by the Secretary of Homeland Security.”