If the agreement is for one day, it's just for one day. But that's a pretty silly thing for any agent to agree to.A One Time Showing Agreement is a commission agreement signed between a buyer's agent and a seller for specific named buyers. It's a listing where the seller is not obligated to pay anybody a commission unless they bring an offer in the seller accepts it. The BRBC is a widely used document in California real estate transactions, in situations where buyers seek dedicated representation. This form will allow the seller and seller's broker to amend the listing agreement regarding not only price and terms but also compensation issues. It is a written agreement in which the seller agrees to pay a commission to the Realtor connected to the buyer. Want to get started with the easiest way to capture, nurture and close real estate transactions? Want to get started with the easiest way to capture, nurture and close real estate transactions?