Virginia transaction attorney shares how to write an effective and legally binding business purchase agreement. Waivers. You can apply for a waiver to collect and remit sales taxes if: All of your marketplace sellers are registered to collect sales tax in Virginia; or.Our free, downloadable ecommerce terms and conditions template is fully customizable, including the title, and applies to all of the following online stores. RESIDENTIAL SALES CONTRACT (Virginia). This sales contract ("Contract") is offered on. 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. 1. Provide the date of the offer and the names of the buyer and seller. This step-by-step guide will take you through the pros and cons of starting a business in the Commonwealth of Virginia.