A one time showing agreement can give an agent permission to enter the sale, it does not conform to contracts we accept for entry. This Agreement is between the City of San José, a municipal corporation ("City"), and Street Level.It's another way of saying "you are not doing what you promised to do in the purchase agreement that you signed" (meaning the real estate contract). A One Time Showing Agreement is a commission agreement signed between a buyer's agent and a seller for specific named buyers. SFAR Contract Kevin and Jonathan share tips for a successful San Francisco purchase offer in a competitive real estate market.