Cal. Bus. & Prof. Code § 17537.9
(a) It is unlawful for any person to make any untrue or misleading statements in any manner in connection with the offering or performance of an assessment reduction filing service. For the purposes of this section, an “untrue or misleading statement” includes, but is not limited to, any representation that any of the following is true:
(6) The offeror of the assessment reduction filing service is, or is affiliated with, any governmental entity. A violation of this paragraph includes, but is not limited to, the following:
(D) The use of an envelope or outside cover or wrapper in which a solicitation is mailed that does not bear on its face in capital letters and in conspicuous and legible type the following notice:
“THIS IS NOT A GOVERNMENT DOCUMENT.”
(b)
(1) It is unlawful to offer to perform an assessment reduction filing service without making the following disclosure:
“THIS ASSESSMENT REDUCTION FILING SERVICE IS NOT ASSOCIATED WITH ANY GOVERNMENT AGENCY. IF YOU DISAGREE WITH THE ASSESSED VALUE OF YOUR PROPERTY, YOU HAVE THE RIGHT TO AN INFORMAL ASSESSMENT REVIEW, AT NO COST, BY CONTACTING THE ASSESSOR’S OFFICE DIRECTLY. IF YOU AND THE ASSESSOR CANNOT AGREE TO THE VALUE OF THE PROPERTY OR IF YOU DO NOT WISH TO CONTACT THE ASSESSOR YOU CAN OBTAIN AND FILE AN APPLICATION FOR CHANGED ASSESSMENT WITH THE COUNTY BOARD OF EQUALIZATION OR ASSESSMENT APPEALS BOARD ON YOUR OWN BEHALF. AN APPEALS BOARD HAS THE AUTHORITY TO RAISE PROPERTY VALUES (BUT IN NO CASE HIGHER THAN THE PROPOSITION 13 PROTECTED VALUE) AS WELL AS TO LOWER PROPERTY VALUES.”
(c)
(d) For the purposes of this section, the following definitions apply:
(e)