§ 26-1-2-1-204

(2) An agreement sufficient to constitute a lease contract may be found although the moment of its making is undetermined.(3) Although one (1) or more terms are left open, a lease contract does not fail for indefiniteness if the parties have intended to make a lease contract and there is a reasonably certain basis for giving an appropriate remedy.As added by P.L.189-1991, SEC.3.