Is it possible for a person who has given up membership in their political party due to holding an office to rejoin that same party after they cease to hold that office?
Yes, it is possible for a person who has given up membership in their political party due to holding an office to rejoin that same party after they cease to hold that office. According to the context provided, clause 5(b) states: "(b) if he, having given up by reason of his election to such office his membership of the political party to which he belonged immediately before such election, rejoins such political party after he ceases to hold such office."