Wis. Stat. § 94.385: Seed label requirements.

(1) No person may sell, distribute, or offer or expose for sale in this state a container of agricultural seed or vegetable seed for seeding or sprouting purposes unless the container bears or has attached to it in a conspicuous place a label containing the information required by the department by rule.

(2) Except as provided under s. 94.43 (2), no person may sell in this state a bulk lot of agricultural or vegetable seed for seeding or sprouting purposes unless the person includes with the invoice or shipping document furnished the purchaser at time of delivery a label containing the information required by the department by rule.