Va. Code Ann. § 3.2-1805

Upon a petition, or its own motion, or that of an interested person properly made, the Board may hold a referendum on the continuance of the tax. If a petition is not presented to the Board or the Board is not otherwise advised, the tax to support additional research and promotion of potatoes shall continue to be levied and collected as provided for in this article. The cost of conducting any referendum as prescribed in this article shall be paid from funds paid into the Virginia Potato Fund. The Board shall adopt regulations governing the conduct of referenda pursuant to § 3.2-112.