California Code, Business and Professions Code - BPC § 4992.2

“Advertising,” as used in this chapter, includes, but is not limited to, any public communication as defined in subdivision (a) of Section 651, the issuance of any card, sign, or device to any person, or the causing, permitting, or allowing of any sign or marking on, or in, any building or structure, or in any newspaper, magazine, or directory, or any printed matter whatsoever, with or without any limiting qualification. Signs within religious buildings or notices in bulletins from a religious organization mailed to a congregation shall not be construed as advertising within the meaning of this chapter.