A Florida commercial real estate purchase and sale agreement formalizes the details of a commercial property transaction between a seller and a buyer. For further guidance on drafting commercial purchase and sale agreements in Florida, see Commercial Real Estate Purchase and Sale Agreements (FL).This file contains essential details and instructions for completing a commercial contract in Florida. (b) Location: Closing will take place in ______ County, Florida. Get a comprehensive understanding of Florida real estate purchase and sale agreements with our indepth overview and free template. Step 1 – Fill Out the Buyer and Seller Information. 1. Seller. Write down the seller's full name. This Standard Document is a long form agreement for the purchase and sale of commercial real property favoring the seller for use in Florida.