Income tax for the year 1930-31 shall be charged at the standard rate of four shillings and sixpence in the pound, and, in the case of an individual whose total income from all sources exceeds two thousand pounds, at such higher rates in respect of the excess over two thousand pounds as Parliament may hereafter determine.

All such enactments as had effect with respect to the income tax charged for the year 1929-30 shall have effect with respect to the income tax charged for the year 1930-31.

The annual value of any property which has been adopted for the purpose of income tax under Schedules A and B for the year 1929-30 shall be taken as the annual value of that property for the same purpose for the year 1930-31:

Provided that this subsection shall not apply to lands, tenements and hereditaments in the administrative county of London with respect to which the valuation list under the [32 & 33 Vict. c. 67.] Valuation (Metropolis) Act, 1869, is by that Act made conclusive for the purposes of income tax.