Section 3403 - Oath of office(a) In addition to any oath or affirmation required by any other act of Assembly, all county officers, their deputies, assistants and clerks shall, before entering on the duties of their respective offices or employments, take and subscribe the following oath or affirmation: "I do solemnly swear (or affirm) that I will support, obey and defend the Constitution of the United States, and the Constitution of this Commonwealth, and that I will discharge the duties of my office (or employment) with fidelity; that I have not paid or contributed, or promised to pay or contribute, either directly or indirectly, any money or other valuable thing to procure my nomination or election (or appointment), except for necessary and proper expenses expressly authorized by law; that I have not knowingly violated any election law of this Commonwealth, or procured it to be done by others in my behalf; that I will not knowingly receive, directly or indirectly, any money or other valuable thing for the performance or non-performance of any act or duty pertaining to my office (or employment), other than the compensation allowed by law."(b) The foregoing oath shall be administered by some person authorized to administer oaths, and shall be filed in the office of the prothonotary of the county in which the same is taken. Any person refusing to take said oath or affirmation shall forfeit his office. Any person who shall be convicted of having sworn or affirmed falsely, or of having violated said oath or affirmation, shall be guilty of perjury, and be forever disqualified from holding any office of trust or profit within this Commonwealth.1953, July 28, P.L. 723, art. IV, § 403.