Sec. 15. The division shall prepare, on a quarterly basis, instructions for the trustee of trust I and trust II regarding distribution of income. In preparing these instructions, the division shall consider the following:
(1) What entities have primary management responsibility for sites acquired as part of the campaign.
(2) The amount of campaign acquisition acreage for which each entity has primary management responsibility.
(3) Special management needs of particular campaign sites.
(4) Any special agreement between the department and a primary management entity in which the entity waives the right to be considered for a share of the income from trust I and trust II.