§ 13-4-20. Requirements as to performance of contractual obligations generally

§ 13-4-21. Effect of act of God

§ 13-4-22. Effect of refusal of party to perform concurrent condition upon offer of performance by other party

§ 13-4-23. Effect of nonperformance caused by conduct of other party

§ 13-4-24. Requirements for and effect of tender generally

§ 13-4-25. Tender of chattels

§ 13-4-26. Delivery on demand; delivery at certain time and place