Members of the agricultural products utilization commission are entitled to be reimbursed for expenses incurred in the performance of their duties, in the same manner as other state officials are reimbursed, according to sections 44-08-04 and 54-06-09. If not otherwise employed by the state of North Dakota, members of the commission are entitled to receive per diem compensation of one hundred thirty-five dollars for each day of attending meetings and performing other duties relating to official business of the commission. The commission chairman, if not otherwise employed by the state of North Dakota, may receive an additional     one hundred dollars for each day of a regular meeting attended as payment for reviewing and evaluating grant proposals.