Paragraph 12

Where at any time after the commencement of the relevant year a dwelling–house becomes subject to the condition as to maximum rent specified in paragraph (c) of subsection (1) of section one hundred and fourteen of the M1Housing (Scotland) Act, 1950, and the maximum rent of such dwelling–house falls to be determined under that paragraph by reference to the rent which was payable under a lease which had terminated before the commencement of the said year, such maximum rent shall not be determined by reference to the rent payable under that lease but shall be determined by reference to that rent reduced by an amount equal to the relevant fraction of that rent.