REVENUE AND TAXATION CODE section 18633.5(i)(1)

Every limited liability company doing business in this state, organized in this state, or registered with the Secretary of State, that is disregarded pursuant to Section 23038 shall file a return that includes information necessary to verify its liability under Sections 17941 and 17942, provides its sole owner's name and taxpayer identification number, includes the consent of the owner to California tax jurisdiction, and includes other information necessary for the administration of this part, Part 10 (commencing with Section 17001), or Part 11 (commencing with Section 23001).