A clause dictates the conditions under which the contract is legally enforceable and determines the terms of the contract. Contracts often contain boilerplate clauses or standard clauses found across most contracts. These standard clauses do not require a lot of negotiation. Included is a Sample Contingencies Clauses for a Contract for Real Property. Contingency clauses provide a way for one or both parties to back out of a real estate contract if certain specified conditions are not met. In other words, the sale is contingent upon these conditions.