The Mayor and Councilmen and all officers herein provided for, shall each, before entering upon the duties of his office, and within ten days of the time of his election or appointment, take and subscribe an oath to faithfully and impartially discharge the duties of his office, and the oath to support the Constitution of the United States, and the Constitution of the State of West Virginia. The Mayor, having taken such oath or affirmation, may administer the same to the Councilmen and other officers. Certificates of said oaths or affirmations shall be recorded in the journal of said Council, and whenever two-thirds of the members of the Council shall have qualified, they shall enter upon said offices.