A contingent or future specific devise or bequest of property, whether real or personal, and a contingent residuary devise of freehold land, and a specific or residuary devise of freehold land to trustees upon trust for persons whose interests are contingent or executory shall, subject to the statutory provisions relating to accumulations, carry the intermediate income of that property from the death of the testator, except so far as such income, or any part thereof, may be otherwise expressly disposed of.

This section applies only to wills coming into operation after the commencement of this Act.