First Schedule — Order XXVII-A: Suits Involving a Substantial Question of Law as to the Interpretation of the Constitution or as to the Validity of any Statutory Instrument
Order 27A Rule 1A — Procedure in suits involving validity of any statutory instrument
Code of Civil Procedure, 1908 · Free to read
In any suit in which it appears to the Court that any question as to the validity of any statutory instrument, not being a question of the nature mentioned in rule 1, is involved, the Court shall not proceed to determine that question except after giving notice —
(a) to the Government pleader, if the question concern the Government, or
(b) to the authority which issued the statutory instrument, if the question concerns an authority other than Government.