Cal. Rev. & Tax. Code § 60210
(b) For purposes of this section, a person’s failure to make a timely return or payment shall be considered to be due to reasonable reliance on written advice from the board, only if the board finds that all of the following conditions are satisfied:
(3) The liability for taxes applied to a particular activity or transaction that occurred before either of the following:
(c) Any person seeking relief under this section shall file with the board all of the following: