(a) Priorities shall be set periodically and shall be reviewed by the governing body of the recipient annually or more frequently if the recipient has accepted a significant number of emergency cases outside of its priorities.

(b) The following factors should be among those considered in determining whether the recipient's priorities should be changed:

(1) The extent to which the objectives of the recipient's priorities have been accomplished;

(2) Changes in the resources of the recipient;

(3) Changes in the size, distribution, or needs of the eligible client population; and

(4) The volume of non-priority emergency cases or matters in a particular legal area since priorities were last reviewed.