Va. Code § 58.1-1204
The franchise tax imposed under this chapter shall be at the rate of $1 on each $100 of net capital as hereinafter defined. The total tax liability per taxpayer under this chapter shall not exceed $18 million annually. If at least five banks pay such maximum amount of franchise tax for three consecutive calendar years, beginning in 2017, as determined by the Department of Taxation, then such maximum amount shall increase to $20 million beginning in the calendar year immediately following the third consecutive year. After two years at $20 million, such maximum amount shall increase by three percent annually. There shall be no deduction in respect to shares owned by exempt institutions.
The Department of Taxation shall notify all bank and trust companies in the Commonwealth of the increase in the maximum annual tax liability no later than August 15 of the year immediately prior to the year of such increase.
Va. Code § 58.1-1204