Sec. 5. (a) The lessor corporation proposing to provide a library building or buildings, including necessary equipment and appurtenances, shall submit to the lessee or lessees, before the execution of a lease, preliminary plans, specifications, and estimates for the building or buildings.
(b) The final plans and specifications shall be submitted to the Indiana department of health, state fire marshal, and any other agencies that are designated by law to pass on plans and specifications for library buildings. The final plans and specifications must be approved by these agencies and the lessee or lessees in writing before the construction of the building or buildings.