Cal. Bus. & Prof. Code § 26225.7

The bylaws may prescribe the amount that each member or stockholder shall be required to pay annually, or from time to time, if at all, to carry on the business of the association, the charge, if any, to be paid by each member or stockholder for services that are rendered by the association to him, the time of payment and the manner of collection, and the marketing contract between the association and its members or stockholders that every member or stockholder may be required to sign.