The constitution provides a bi-cameral legislature article 50 of the constitution provides that the parliament of Pakistan shall consist of president and the two houses knows as the national assembly and senate. The parliament consists of national assembly and senate. The national assembly is elected for a five year. The number of seats are divided on population basis under the following formula. Out of the members 272 members elected in single seat constituencies, 10 seats are reserved for minorities which are filled by the nominees of political parties on the basis of tatters strength in the national assembly election and 60 seats for women will be nominated by political parties in accordance to their share of national assembly seats per province.
Functions and powers of parliament:
The major function of the parliament is to make laws. A bill with respect to any matter in part I of the federal legislative list shall originate in the national assembly first a bill with respect to any matter in part II to the federal legislative list or concurrent list, however, may originate in either house. A money bill and a bill for amendment must be originated in national assembly. After a bill is passed by national assembly, it is presented to senate for approval. The senate with in ninety days of the receipt of the bill under clause I either pass it with or without changes, or reject it. In case no decision is made with the period, the bill is deemed passed by it without amendment at the expiration of that period. If a bill is passed with changes or rejected by senate, it will be rejected by considered by national assembly,
All money bills originate in the national assembly. The senate has a very limited role in legislation over financial affairs. Article 73 of the constitution says that a money bill shall originate in the national assembly and after it has been passed by the assembly it shall without being transmitted to the senate, be presented to the presented for assent. Every money bill presented to the president is enclosed with a certificate by the speaker that it is a money bill. A budget in the national assembly is presented by finance minister, and supported by government. No national assembly has rejected a budget. The parliamentary control over the executive comes through national assembly. The senate may oppose the policies of government nonetheless it has no power to pass a vote of no confidence against prime minister or a minister. The national assembly can present a vote of no confidence against PM or a Minister. If prime minister fails to win a majority or majority votes are turned against a PM, he or she has to resign from office. The assembly then at once will elect a new PM. This makes the cabinet accountable to the national assembly for all their actions.