And then thirdly another principle has been laid down that the residuary powers, that is to say, all powers which have not been transferred to the Central Government, should remain in the Provinces. Then fourthly, a subsidiary point is laid down also, that such powers as the Provinces agree to transfer to any Groups they may form would go to the Groups. All subjects other than the Union subjects and all residuary powers should vest in the Provinces. The States will retain all subjects and powers other than those ceded to the Union. This is (3) and (4) of Clause 15 of the State. It is further laid down that there will be a ten-year revision of this Constitution and the initiative for that revision is vested in the Provinces. These are the broad principles laid down in Clause 15:
