A center board shall, for the purpose of paying any administrative, planning, operating, or capital expenses incurred or to be incurred, assess each participating school district its proportionate share based upon its high school enrollment as compared to the total high school enrollment of all participating school districts in the area career and technology center and shall assess each nonparticipating school district receiving services its proportionate share based upon its utilization of programs. A center board shall, as nearly as possible, allocate the number of students from each participating district to be served in an area career and technology center on the same proportionate basis as is used for the assessment of expenses.

A center board utilizing mobile units solely shall, for the purpose of paying any administrative, planning, operating, or capital expenses incurred or to be incurred, assess each participating school district its proportionate share based upon its utilization of programs as compared to total program utilization of all participating school districts in such center. A center board utilizing mobile units solely shall, as nearly as possible, determine the program utilization of each participating school district to be served based upon its high school enrollment as compared to the total high school enrollment of all participating school districts in such center and the school’s accessibility to those programs.

Each participating school district shall remit payment of the assessment of its share of expenses to the center board promptly after receipt of the assessment notice, or within a period of time determined by the center board, but no later than sixty days after the official date of receipt as noted on the assessment notice. A civil penalty of one percent per month must accrue on all assessments not paid when due.