The Government of National Capital Territory of Delhi Act, 1991
26. Requirements as to sanction, etc. –
No Act of the Legislative Assembly, and no provision in any such Act, shall be invalid by reason only that some previous sanction or recommendations required by this Act was not given, if assent to that Act was given by the Lieutenant Governor, or, on being reserved by the Lieutenant Governor for the consideration of the President, by the President.
The Government of National Capital Territory of Delhi Act, 1991