Article 223: Bar against double membership
1. No person shall, at the same time, be a member of-
a. both Houses; or
b. a House and a Provincial Assembly; or
c. the Assemblies of two or more Provinces; or
d. a House or a Provincial Assembly in respect of more than one seat.
2. Nothing in clause (1) shall prevent a person from being a candidate for two or more seats at the same time, whether in the same body or in different bodies, but if he is elected to more than one seat he shall, within a period of thirty days after the declaration of the result for the last such seat, resign all but one of his seats, and if he does not so resign, all the seats to which he has been elected shall become vacant at the expiration of the said period of thirty days except the seat to which he has been elected last or, if he has been elected to more than one seat on the same day, the seat for election to which his nomination was filed last.
Explanation:- In this clause, "body" means either House or a Provincial Assembly.
3. A person to whom clause (2) applies shall not take a seat in either House or the Provincial Assembly to which he has been elected until he has resigned all but one of his seats.
4. Subject to clause (2), if a member of either House or of a Provincial Assembly becomes a candidate for a second seat which, in accordance with clause (1), he may not hold concurrently with his first seat, then his first seat shall become vacant as soon as he is elected to the second seat.