2007 California Business and Professions Code Article 7. Classification

CA Codes (bpc:14235)

14235.  The classification of goods and services shall conform to
the classifications adopted by the United States Patent and Trademark
Office. A single application for registration of a mark may include
any or all goods upon which, or services with which, the mark is
actually being used indicating the appropriate class or classes of
goods or services.  When a single application includes goods or
services that fall within multiple classes, the secretary may require
payment of a fee for each class.