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 Radon Inspection Clauses for a Contract for Real Property. Buyer Delivers to Seller a copy of the radon testing report. It confirms the presence of radon that equals or exceeds the action level established by the EPA together with either A or B.