Where an expression in a provision brought into force by this Order (or in an adaptation made by this Order of such a provision) -

(a) is defined in the 1985 Act or the 1986 Order ("the old definition"); and

(b) is defined in the Companies Act 2006 by another provision that is not yet in force for the purposes of the provision brought into force ("the new definition"),

the expression has, for the purposes of the provision brought into force (or the adaptation), the meaning given by the old definition until the new definition is brought into force for the purposes of that provision.