Where part of a close company’s share capital consists of preference shares (within the meaning of section F1210(4) of the Taxes Act 1988 and a transfer of value made by that or any other close company has only a small effect on the value of those shares, compared with its effect on the value of other parts of the company’s share capital, the preference shares shall be left out of account in determining the respective rights and interests of the participators for the purposes of sections 94 and 95 above.