(a) In addition to any other oath prescribed by law, each Senator and Representative, before taking the seat to which elected, shall take the following oath:

"I do hereby solemnly swear or affirm that I will support the Constitution of this state and of the United States and, on all questions and measures which may come before me, I will so conduct myself, as will, in my judgment, be most conducive to the interests and prosperity of this state."

(b) The oath of office prescribed by subsection (a) of this Code section may be administered to the members of the General Assembly by any Justice of the Supreme Court, Judge of the Court of Appeals, judge of the superior courts, or judge of the state courts. Such Justice or judge shall be procured by the person organizing each branch.