SDCL § 5-12-14: Terms, conditions, and rental under leases--Annual extension provision.

Leases may be

(1) Upon such terms, conditions, and rentals, subject to available appropriations, as in the judgment of the building authority are in the public interest, or

(2) For a term of one year from the time the building is completed and ready for occupancy, with an option in the lessee to extend the term of the lease for a term of one year from the expiration of the original term of the lease and for one year from the expiration of each extended term of the lease, until the original term of the lease has been extended for a total number of years to be agreed upon by the parties at a rental which, if paid for the original term and for each of the full number of years for which the term of the lease may be extended, will amortize the total cost of the erection of the building and appurtenances.

The rental shall be paid at such times as the parties to the lease agree upon.