11 Pa.C.S. § 10904
(a) Successor.— An officer of a city, who has been elected or appointed and has qualified under this chapter, shall hold office until the officer's successor meets all of the following:
(b) Failure to appear.— If an elected official fails to appear at the organizational meeting of council to demonstrate the official's qualifications for office and to take the oath of office either:
(c) Multiple terms expiring.— Members whose terms have expired and who are to be replaced shall draw lots to determine which of the members shall continue to serve on council until the member's successor duly qualifies or takes the oath of office when all of the following apply:
(d) Continuing to hold office.— An individual continuing to hold office under this section after the first Monday of January, which would have marked the end of the individual's term, may not participate in:
(2) A vote appointing the individual's successor.
Cross References. Section 10904 is referred to in sections 10701, 11202 of this title.