Civil Code § 1498
CHAPTER 2. Offer of Performance
When a debtor is entitled to the performance of a condition precedent to, or concurrent with, performance on his part, he may make his offer to depend upon the due performance of such condition.
CHAPTER 2. Offer of Performance
When a debtor is entitled to the performance of a condition precedent to, or concurrent with, performance on his part, he may make his offer to depend upon the due performance of such condition.