Cal. Rev. & Tax. Code § 18628
(b)
(2)
(d) The reportable transactions return requirements of this section shall apply to any material advisor with respect to any reportable transaction, as defined in Section 6707A(c) of the Internal Revenue Code with respect to a material advisor that satisfies any of the following conditions:
(4) Provides any material aid, assistance, or advice with respect to organizing, managing, promoting, selling, implementing, insuring, or carrying out any reportable transaction with respect to a taxpayer that meets any of the following requirements:
(e) In addition to the requirements set forth in subdivision (a), for any transactions entered into on or after February 28, 2000, that become listed transactions (as defined under Section 6707A(c)(2) of the Internal Revenue Code) at any time, a return for those transactions shall be required to be filed with the Franchise Tax Board by the later of:
(f) In addition to the requirements set forth in subdivisions (a) and (e), for any transactions entered into on or after September 2, 2003, that are specifically identified by the Franchise Tax Board for California income or franchise tax purposes (under the authority of paragraph (4) of subdivision (a) of Section 18407) as a “listed transaction” at any time, a return for those transactions shall be required to be filed with the Franchise Tax Board by the later of: