(1)  The Board –

(a) is to carry out a review of a single authority or a joint authority if the Minister so directs; or

(b) may carry out the review if it so determines.

(2)  The review may cover any one or more of the following:

(a) the structure and rules of a single authority or joint authority;

(b) the relationship between the authority and the single authority council or a participating council;

(c) the management and operations of the authority;

(d) any other relevant matter.