If required by the Franchise Tax Board, any corporation described in this subdivision shall render a correct return, which shall contain or be verified by a written declaration that it is under penalty of perjury, of all patronage dividends, rebates, or refunds made during the calendar year to its patrons. This section shall not apply in the case of any corporation exempt from tax under Article 1 (commencing with Section 23701) of Chapter 4 of Part 11.
Ca. Rev. and Tax. Code § 18640