his officers represents the state in litigation or hearing before boards and commissions. One of the main responsibilities of the attorney general is to issue opinions on laws to state officials. The attorney general can also call multi-county grand juries to investigate crimes that have occurred in more than one county. The Oklahoma State Treasurer is the administrator and manager of the state's depository of state funds collected by Oklahoma's various state agencies. The office's major duty is to select banks and investments in which to place state funds to yield profit for the state at large. The treasurer maintains an accurate account of the money received and distributed by the Oklahoma State Treasury. The Treasurer also delivers state warrants, checks, and bonds to the Oklahoma Office of State Finance. The Oklahoma Superintendent of Public Instruction, often referred to as the Oklahoma State School Superintendent, supervises and manages the public school system of the state and serves as the chair of the Oklahoma State Board of Education. The superintendent publishes school laws, opinions of the laws, and submits annual reports to the governor on the condition of public schools. The superintendent is also an ex officio member of the State Emergency Fund Board and chairman of the State Career Tech Board. The Oklahoma Insurance Commissioner administers state laws dealing with insurance companies operating in Oklahoma. The commissioner audits insurance companies to make certain that they pay claims to their policyholders. Whenever an insurance company faces financial issues, courts usually appoints the commissioner to serve as a trustee. The Oklahoma Corporation Commission consists of three commissioners, each of at least 30 years, serving staggered six-year terms. The three commissioners regulate public utility rates and supervise public utilities doing business within the State. The commission also regulates cotton gin, trucking, and public transportation businesses. The commission enforces oil and gas conservation laws and regulates pipeline companies. The commission is empowered to inspect the books and records of companies operating under their supervision and has extensive power to punish violators of its orders. In order to serve on the commission, a candidate cannot own personal interests within the companies the commission regulates. The Oklahoma State Auditor and Inspector prescribes a uniform system of bookkeeping for the county treasurers and the State Treasurer. Twice annually, without notice, the state auditor audits the books and accounts of the state treasurer and the county treasuries. If