The 1956 Constitution established a federal system of government. Under this structure, legislative and executive powers were distributed between the federal government (Centre) and the provincial governments, ensuring a division of authority as defined by the constitutional lists of powers.

The National Economic Council (NEC) is established under Article 156 of the Constitution of Pakistan. It is chaired by the Prime Minister and includes members from the federal government and provincial governments. The composition is designed to ensure a balanced representation of the federation and the provinces to oversee national economic policies and development strategies, with the total membership typically reflecting the constitutional requirements for provincial and federal participation.

Articles 145 through 152 of the 1973 Constitution of Pakistan specifically delineate the administrative framework and the distribution of executive authority between the Federal Government and the Provincial Governments, ensuring a structured federal system of governance.

Under the constitutional framework of Pakistan, when a bill is passed by a Provincial Assembly and presented to the Governor for assent, the Governor is required to either grant assent or return the bill for reconsideration within a period of ten days. This constitutional provision ensures that the legislative process remains efficient and that the executive head of the province acts within a defined temporal limit.

Under the Constitution of Pakistan, each of the four provinces is allocated an equal number of seats in the Senate to ensure equal provincial representation. Currently, each province has 23 seats, which includes general seats, seats for women, technocrats, and non-Muslims. The provided answer '14' is factually incorrect regarding the current constitutional allocation for Pakistani provinces. This discrepancy is noted as a conflict with the source material.

Article 153 of the Constitution of Pakistan provides for the establishment of the Council of Common Interests (CCI). The CCI is a constitutional body responsible for formulating and regulating policies in relation to matters specified in the Federal Legislative List, particularly those involving the interests of both the Federation and the Provinces.

The Council of Common Interests (CCI) is a constitutional body established under Article 153 of the Constitution of Pakistan. It consists of the Prime Minister as the Chairman and the Chief Ministers of the four provinces, along with three members from the federal government nominated by the Prime Minister. This structure ensures that matters of common interest between the federation and the provinces are deliberated upon collectively.

Article 140 of the Constitution of Pakistan specifically deals with the office of the Advocate-General for a province. It mandates that the Governor of each province shall appoint a person, being a person qualified to be a Judge of a High Court, to be the Advocate-General for the province. This official is responsible for providing legal advice to the provincial government and performing other duties of a legal character.

Article 234 of the Constitution of Pakistan provides the legal mechanism for the President to issue a proclamation if the government of a province cannot be carried on in accordance with the provisions of the Constitution. This is often referred to as the imposition of Governor's Rule, allowing the federal government to intervene in provincial administration during constitutional crises.

Article 245 of the Constitution of Pakistan 1973 outlines the functions of the Armed Forces, including their role in defending Pakistan against external aggression or threat of war. While the President is the Supreme Commander, the power to declare war is a significant executive function tied to the defense of the state as described under the constitutional provisions governing the military.