(1)A pastoral scheme or pastoral order may contain such supplementary or consequential provisions as appear to the Commissioners, with the agreement of the bishop or bishops concerned given after consultation with any mission and pastoral committee (including a joint boundary committee) concerned, to be necessary or expedient for giving effect to the purposes of the scheme or order.
(2)A pastoral scheme or order shall, where the Commissioners consider it appropriate or, in the case of an order made by virtue of section 17(1)(b), the mission and pastoral committee thinks appropriate, have annexed thereto a map or plan showing the changes made by the scheme or order.
(3)A pastoral scheme or order may provide that the scheme or order, or any provisions thereof, shall come into operation on a specified date, or on the happening of a specified event or contingency, and different dates, events or contingencies may be specified for different provisions.