Companies Act 1985

20 (1) The balance sheet of a company which is a subsidiary of another body corporate, whether or not it is itself a holding company, shall show the aggregate amount of its indebtedness to all bodies corporate of which it is a subsidiary or a fellow subsidiary and the aggregate amount of indebtedness of all such bodies corporate to it, distinguishing in each case between indebtedness in respect of debentures and otherwise, and the aggregate amount of assets consisting of shares in fellow subsidiaries.

(2) For the purposes of this paragraph a company shall be deemed to be a fellow subsidiary of another body corporate if both are subsidiaries of the same body corporate but neither is the other's.