California Code, Revenue and Taxation Code - RTC § 17948.3

(a) A registered limited liability partnership shall not be subject to the taxes imposed by this chapter for a taxable year if the registered limited liability partnership does all of the following:

(b) For purposes of this section, a “final annual tax return” is a return described in Section 18633 that is filed on or before the due date of the return, as extended, that the taxpayer designates in the manner prescribed by the Franchise Tax Board as the taxpayer's final annual tax return for purposes of the tax imposed under this chapter. For purposes of this chapter, a “final annual tax return” is a return filed pursuant to Section 18633 where the taxpayer is not required to file a subsequent return to reflect the imposition of tax under this chapter.