Virginia transaction attorney shares how to write an effective and legally binding business purchase agreement. Sell agreement could be a vital contract for your business.Our legal team can help with the drafting and implementation of this important document. Purchase agreement details terms, conditions of sale. The purchase agreement for your business is one of the most important legal documents you'll ever sign. Every business opportunity sales contract shall be in writing and a copy shall be given to the purchaser at the time he signs the contract. You can't just fill in the blank and expect the agreement to be binding and automatically serve your needs. This purchase and sale agreement may be used for the purchase and sale of commercial property in the Commonwealth of Virginia. As a buyer, you need to know the terms of existing contracts and which contracts you will be responsible for fulfilling once the business sale is complete.