California Revenue & Taxation Code
Cal. Rev. & Tax. Code § 19135
(a)(1)The Franchise Tax Board shall impose a penalty of two thousand dollars ($2,000) per taxable year whenever an entity described in paragraph (2) is doing business in this state, within the meaning of Section 23101, and fails to make and file a return as required by this part, within 60 days after the Franchise Tax Board sends the taxpayer a notice and demand to file the required tax return, unless the failure is due to reasonable cause and not willful neglect.
(2)(A)A foreign corporation or a foreign limited liability company that fails to qualify to do business in this state or whose powers, rights, and privileges have been forfeited.
(B)A domestic corporation or a domestic limited liability company that has been suspended.
(b)The penalty shall be in addition to any other penalty that may be due under this part.
Source: official text