California Code, Government Code - GOV § 25507

In the disposition of any personal property pursuant to this article and upon approval by the board, the purchasing agent may purchase advertising space and may advertise the proposed sale or other disposition of the personal property in such newspapers, magazines, and other periodicals as in his judgment will best publicize the proposed sale or other disposition to those persons most likely to bid for or purchase the personal property.

Within the limits of the order of the board approving the advertising, the purchasing agent shall decide upon the amount, nature, make-up, and content of the advertising.