Legislative Power of Sri Lanka Parliament

The legislative power of the People shall be exercised by Parliament, consisting of elected representatives of the People and by the People at a Referendum.Parliament shall have power to make laws, including laws having retrospective effect and repealing or amending the Constitution.

Constitution of the Democratic Socialist republic of Sri Lanka-1978

WE, THE FREELY ELECTED REPRESENTATIVES OF THE PEOPLE OF SRI LANKA, in pursuance of such Mandate, humbly acknowledging our obligations to our People and gratefully remembering their heroic and unremitting struggle to regain and preserve their rights and privileges so that the Dignity and Freedom of the Individual may be assured, Just, Social, Economic and Cultural Order attained, the Unity of the Country restored and Concord established with other Nations, do hereby adopt and enact, this CONSTITUTION as the SUPREME LAW of the DEMOCRATIC SOCIALIST REPUBLIC OF SRI LANKA