1. Preparation by regional school unit board. A regional school unit board shall annually prepare a budget for:
A. Operational costs;
B. Bonds falling due;
C. Interest on bonds or other obligations;
D. Rentals and other charges in a contract; and
E. Temporary loans.
2. Distribution. At least 7 days before a regional school unit budget meeting, the regional school unit board shall make available to the legislative body responsible for final budget approval and residents of the regional school unit a detailed budget document. The detailed budget document must include a summary of anticipated revenues and estimated school expenditures.