A. Each bank as defined in § 58.1-1201 as of January 1 of each year shall prepare and file electronically with the commissioner of the revenue or comparable assessing officer of the county, city or town where the principal office of the bank is located on or before March 1, a return that shall set forth the tax on net capital as computed under this chapter. The Department of Taxation shall maintain a secure online portal to receive returns and other required submissions under this chapter in a manner prescribed by the Department for use by commissioners of the revenue or other assessing officers of any locality in accepting filed returns and certifying and transmitting returns to the Department. The commissioner of the revenue or comparable assessing officer shall certify a copy of the bank’s return and schedules and shall forthwith transmit such certified copy to the Department of Taxation. Additionally, an electronic copy of the real estate deduction schedules and the apportionment under § 58.1-1211 shall be filed with the appropriate assessing officer of each political subdivision imposing a tax on the filing bank. Such return shall set forth the tax on net capital owing to each such political subdivision as computed under this chapter and shall include the listing of the real estate, as assessed for the prior year, as well as a description of the total of the obligations of the United States and the average percentage thereof on the four dates prescribed in subdivision 3 of § 58.1-1206. Every bank, on or before June 1 of each year, shall pay into the state treasury the state taxes assessed under this chapter and into the treasurer’s office or other official of the local political subdivisions all taxes assessed by such political subdivision.