(a) Subject to other provisions of this title, the governing body shall provide by ordinance for nominations of elected officials by providing for declaration of candidacy or for petition requiring the signatures of not more than 10 voters, or for both.
(b) A person may be nominated for and occupy more than one office, but may not serve simultaneously as borough mayor and as a member of the assembly or, in a first class city, as city mayor and as a member of the council.