53 Pa. Stat. § 41605
If any person hereafter elected or appointed to any office or position in a city governed under this act shall, after lawful notice or process, wilfully refuse or fail to appear before any court, any legislative committee, or the Governor, or having appeared shall refuse to testify or to answer any question regarding the property, government or affairs of the city, or regarding his nomination, election, appointment or official conduct on the ground that his answer would tend to incriminate him, or shall refuse to waive immunity from prosecution on account of any such matter in relation to which he may be asked to testify, may be removed from office by the council of the city in its discretion. Any person removed from office pursuant to this section shall not thereafter be eligible for election or appointment to any office or employment in such city.
53 P.S. § 41605