The Local Government Superannuation Regulations 1986

14.  Subject to paragraphs 15 to 17 below, immediately after the apportionment date the appropriate adminstering authority shall transfer to the scheme managers of the approved non-local government scheme assets of the fund of a value at the apportionment date equal to the value of the scheme managers' share of the fund and, unless the appropriate administering authority and the scheme managers otherwise agree, the composition of the assets to be transferred shall so far as possible reflect the composition of the transferable assets which still belong to the fund at the apportionment date and any other assets which belong to the fund at that date which represent in any form or have accrued from any transferable asset.