Va. Code Ann. § 20-177

Except as otherwise provided by law, during the collaborative law process, on the request of another party, a party shall make timely, full, candid, and informal disclosure of information related to the collaborative matter without the requirement of the formal discovery procedures set forth in Part 4 of the Rules of Supreme Court of Virginia. A party shall also promptly update previously disclosed information that has materially changed. The parties may define the scope of disclosure during the collaborative law process.