Cal. Gov. Code § 8893.2

On and after January 1, 1993, the transferor, or his or her agent, of any precast concrete or reinforced masonry building with wood frame floors or roofs, built before January 1, 1975, which is located within any county or city shall, as soon as practicable before the sale, transfer, or exchange, deliver to the purchaser a copy of the Commercial Property Owner’s Guide to Earthquake Safety described in Section 10147 of the Business and Professions Code.