Parliamentary sovereignty (also called parliamentary supremacy or legislative supremacy) is a concept in the constitutional law

Constitutional law

Constitutional law is the body of law which defines the relationship of different entities within a state, namely, the executive, the legislature and the judiciary....

 of some parliamentary democracies. In the concept of parliamentary sovereignty, a legislative body

Legislature

A legislature is a kind of deliberative assembly with the power to pass, amend, and repeal laws. The law created by a legislature is called legislation or statutory law. In addition to enacting laws, legislatures usually have exclusive authority to raise or lower taxes and adopt the budget and...

 has absolute sovereignty

Sovereignty

Sovereignty is the quality of having supreme, independent authority over a geographic area, such as a territory. It can be found in a power to rule and make law that rests on a political fact for which no purely legal explanation can be provided...

, meaning it is supreme to all other government institutions—including any executive (government)

Executive (government)

Executive branch of Government is the part of government that has sole authority and responsibility for the daily administration of the state bureaucracy. The division of power into separate branches of government is central to the idea of the separation of powers.In many countries, the term...

 or judicial bodies. The concept also holds that the legislative body may change or repeal any previous legislation, and so that it is not bound by precedent.