91.The Indian Income-Tax Act, with such modification as may be considered necessary by the President, may be applied to all the federating States. The net proceeds of the tax attributed to the States may be credited to a States Income-tax Pool and such portion not being less than 75 per cent of the net proceeds attributable to each State, as determined by the President, may be paid back to the States. We are aware that many problems will arise in the course of allocating these proceeds between the different States, but they are not insoluble, and can be solved on lines similar to those followed in allocating similar revenues between the provinces.