54Any legal proceedings or applications pending on the appointed day by or against the Crown, being proceedings or applications instituted or made by or against the Postmaster General or his department (but not being proceedings in the case of which express provision is made by some other provision of this Act with respect to the continuance thereof) may be continued by or against the appropriate government department authorised for the purposes of the [1947 c. 44.] Crown Proceedings Act 1947.