Notwithstanding the exemptions in § 55.1-702, if the owner of a residential dwelling unit has actual knowledge that such residential property was previously used to manufacture methamphetamine and has not been cleaned up in accordance with the guidelines established pursuant to § 32.1-11.7 and the applicable licensing provisions of Chapter 11 (§ 54.1-1100 et seq.) of Title 54.1, the owner shall provide to a prospective purchaser a written disclosure that so states. Such disclosure shall be provided to the purchaser on a form provided by the Real Estate Board on its website and otherwise in accordance with this chapter.