(a) The Franchise Tax Board’s action upon the protest, whether in whole or in part, is final upon the expiration of 30 days from the date when it mails notice of its action to the taxpayer, unless within that 30-day period the taxpayer appeals in writing from the action of the Franchise Tax Board to the board.
(b) (1) The Franchise Tax Board’s notice of action upon protest shall include the date determined by the Franchise Tax Board as the last day on which the taxpayer may file an appeal with the board.
(2) Any appeal to the board filed by the taxpayer on or before the date for filing an appeal specified in the notice (pursuant to paragraph (1)) shall be treated as timely filed.
(c) This section shall apply to any notice mailed after December 31, 1999.