6. Where an expression in a provision brought into force by this Order—
(a)is defined in the Companies Act 1985(1) or in the Companies (Northern Ireland) Order 1986(2) (“the old definition”), and
(b)is defined in the Companies Act 2006 by another provision 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 the meaning given by the old definition until the new definition is brought into force for the purposes of that provision.