Florida StatutesPART IV PERFORMANCE OF LEASE CONTRACT: REPUDIATED, SUBSTITUTED, AND EXCUSED(ss. 680.401-680.407)680.401 Insecurity: adequate assurance of performance.680.402 Anticipatory repudiation.680.403 Retraction of anticipatory repudiation.680.404 Substituted performance.680.405 Excused performance.680.406 Procedure on excused performance.680.407 Irrevocable promises: finance leases.