Each container of tree and shrub seed which is sold, offered for sale, or exposed for sale, or transported within this State for sowing purposes shall bear thereon or have attached thereto in a conspicuous place a plainly written or printed label or tag in the English language, giving the following information, which statement shall not be modified or denied in the labeling or on another label attached to the container- except that labeling of seed supplied under a contractual agreement may be by invoice accompanying the shipment or by analysis tag attached to said invoice if each bag or other container is clearly identified by a lot number stenciled on the container or if the seed is in bulk. Each bag or container that is not so identified must carry complete labeling.
8 CCR 1203-6, pt. 6