Mont. Code Ann. § 80-5-140

A person, firm, association, or corporation that issues, uses, or circulates any certificate, advertisement, tag, seal, poster, letterhead, marking, circular, or written or printed representation or description pertaining to seeds or plant parts intended for propagation or sale or sold or offered for sale in which the words "Montana state certified", "state certified", "Montana certified", or "one year off certified" or similar words or phrases are used or employed is subject to 80-5-140 through 80-5-144.