Most sales contracts have conditions that must be satisfied before the contract becomes binding. They can exist for the benefit of the Buyer, the Vendor, or both. For example, finance and building & pest inspection conditions are typically inserted for the Buyer’s benefit, while sunset clauses are sometimes inserted for the Vendor’s benefit.Once all general and special conditions have been satisfied, both the Buyer and Seller are legally obligated to complete the sale unless the other party agrees not to.