This free broker commission agreement template helps you get down to business, so you can focus more on your brokerage. We're going to walk you through this office purchase and sale agreement.Seller shall sell and convey and Purchaser shall purchase the property, together with all buildings and improvements thereon (collectively the. Get a comprehensive understanding of New York real estate purchase and sale agreements with our indepth overview and free template. Buyers and Sellers of commercial real property in New. York City negotiate their transactions in a difficult envi- ronment. The Seller agrees to personally complete and sign a Seller's Property Condition Disclosure form. 5.