Idaho StatutesPART 4. PERFORMANCE OF LEASE CONTRACT -- REPUDIATED, SUBSTITUTED AND EXCUSED28-12-401 INSECURITY -- ADEQUATE ASSURANCE OF PERFORMANCE.28-12-402 ANTICIPATORY REPUDIATION.28-12-403 RETRACTION OF ANTICIPATORY REPUDIATION.28-12-404 SUBSTITUTED PERFORMANCE.28-12-405 EXCUSED PERFORMANCE.28-12-406 PROCEDURE ON EXCUSED PERFORMANCE.28-12-407 IRREVOCABLE PROMISES -- FINANCE LEASES.