(a) Requirement.--In addition to an oath or affirmation required by another statute, each county officer and the county officer's deputies, assistants and clerks shall, before entering on the duties of the individual's respective offices or employments, take and subscribe the oath under 53 Pa.C.S. § 1141 (relating to form of oaths of office). (b) Administration.--The oath under subsection (a) shall be administered by an individual authorized to administer oaths and shall be filed in the office of the prothonotary of the county in which the oath is taken. An individual refusing to take the oath or affirmation shall forfeit the office. A person convicted of having sworn or affirmed falsely or of having violated the oath or affirmation commits perjury.
Pennsylvania Legal Code