The Governor is the official representative of the State on the Interstate Oil Compact Commission. The Governor shall exercise and perform for the State every power and duty as a member of the Commission. The Governor may appoint an assistant representative to act in the Governor’s stead as the official representative of the State as a member of the Commission. The assistant representative provided for in the compact shall take the oath of office prescribed by the Constitution. The oath shall be filed with the office of the Secretary of State. State members shall be reimbursed for expenses incurred while actually engaged in the performance of their duties, in accordance with the Standard State Travel Regulations.