The department shall, subject to this chapter, do the following:
The department may require state agencies to use these general services in the interests of economy and efficiency. The general services rotary fund is established through which these services may be rendered to state agencies. The budget agency shall determine the amount for the general services rotary fund.
The rules must require the approval of the travel by the commissioner and the head of the officer's or employee's department prior to payment.
the rental of which is not otherwise provided for or prohibited by law. Property may not be rented out under this subdivision for a term exceeding ten (10) years at a time. However, communications system infrastructure, including towers and associated land, improvements, foundations, access roads and rights-of-way, structures, fencing, and equipment that are necessary, proper, or convenient to transmit or receive voice or data communications, may be rented out under this subdivision for a term not to exceed twenty-five (25) years at a time. In addition, if property is rented out for a term of more than four (4) years, the commissioner must make a written determination stating the reasons that it is in the best interests of the state to rent property for the longer term. This subdivision does not include the power to grant or issue permits or leases to explore for or take coal, sand, gravel, stone, gas, oil, or other minerals or substances from or under the bed of any of the navigable waters of the state or other lands owned by the state.
IC 4-13-1-4