507. Apportionment of annual value.

Where any of the compensation provisions of the Opencast Coal Act 19581 are applied to a part of a year2, any reference to annual value, or to any other amount which is required to be assessed by reference to a year, is to be construed as a reference to so much of the annual value for that year, or of the amount in question assessed by reference to that year, as, on a rateable apportionment of that value or amount as between different parts of that year, is properly attributable to that part of that year