The "EFFECTIVE DATE" of this Agreement shall be latest date entered above alongside the parties' signatures. ONE TIME SHOWING AGREEMENT. CO-BRANDING. AREA.We're going to cover the oria form 200 the listing agreement or seller representation agreement. We'll cover how to fill it out the pre-printed clauses. A seller representation agreement, also known as a listing agreement, is an agreement between a seller of real estate and a brokerage firm. A OneTime Showing Agreement form is a legally binding agreement between the buyer's broker and the homeowner listing the property for sale. An agency agreement is a mutual binding understanding between two parties that authorizes another party to act on their behalf. When you sign a listing agreement, you agree to work exclusively with that brokerage for a specified length of time to sell your property. A One Time Showing Agreement is a commission agreement signed between a buyer's agent and a seller for specific named buyers. Search for jobs that allow you to work full time from your home or an approved alternative worksite.