California Code, Corporations Code - CORP § 15909.03

(a) Activities of a foreign limited partnership that do not constitute transacting business in this state for registration purposes within the meaning of this article include the activities set forth in subdivision (ai) of Section 15901.02.

(b) For purposes of this article, the ownership in this state of income-producing real property or tangible personal property, other than property excluded under subdivision (a), constitutes transacting business in this state.

(c) This section does not apply in determining the contacts or activities that may subject a foreign limited partnership to service of process, taxation jurisdiction, or regulation under any other law of this state.