The Educational Service Unit Coordinating Council shall only provide assistance in brokering or scheduling courses to educational entities that have access to Network Nebraska. All costs to the council associated with assisting private, denominational, or parochial schools and private postsecondary educational institutions shall be paid by such private, denominational, or parochial school or private postsecondary educational institution. Any services of the council may also be offered to other public entities with access to Network Nebraska on a contractual basis.