Complex sentence: However, candidates may stand for election as independents unaffiliated with any political party and after they are elected, sitting members of parliaments are also permitted to "cross the floor" and switch from one party to another, without having to resign first.
Split into simpler sentences: However, candidates may stand for election as independents unaffiliated with any political party. After they are elected, sitting members of parliaments are also permitted to "cross the floor" and switch from one party to another without having to resign first.