No action undertaken to fulfill any requirement of this title to register or vote shall be valid or complete when the action is based on the exercise of a power of attorney, or other writing, in which any principal shall have vested any power or authority in an attorney-in-fact or other agent.
Requirements for registration and voting; prohibition on use of power of attorney
Va. Code Ann. § 24.2-123, under Chapter 1. General Provisions and Administration..
Va. Code Ann. § 24.2-123