Md. Code, Agriculture § 9-210

(a) No person may sell, offer or expose for sale, or transport any agricultural, vegetable, herb, flower, tree, or shrub seed in the State:

(1) Unless the test to determine the percentage of germination required by §§ 9–207, 9–208, and 9–209 of this subtitle is completed within 9 months, or 15 months for cool season lawn and turf grass seed as determined by the Secretary, exclusive of the month in which the test is completed, immediately prior to sale, exposure or offer for sale, or transportation;

(2) Not labeled in accordance with the provisions of this subtitle, or having a false or misleading labeling;

(3) Pertaining to which there has been a false or misleading advertisement;

(4) Containing prohibited noxious weed seeds;

(5) Containing restricted noxious weed seeds in excess of the number prescribed by rules and regulations adopted under this subtitle;

(6) Containing more than 2.50 percent by weight of all weed seeds; and

(7) Represented to be “approved seed”, “certified seed”, “registered seed”, “foundation seed”, or “breeder seed”, unless it is produced and labeled in accordance with the procedures and in compliance with rules and regulations of an officially recognized seed certification agency.

(b) No person in the State may:

(1) Detach, alter, deface, or destroy any label provided for in this subtitle or the rules and regulations adopted under it;

(2) Alter or substitute seed in a manner that may defeat the purpose of this subtitle;

(3) Disseminate any false or misleading advertisement concerning agricultural, vegetable, herb, flower, tree, or shrub seeds in any manner or by any means;

(4) Fail to comply with a “stop–sale” order to move, otherwise handle, or dispose of any lot of seed, under a “stop–sale” order, or any tag attached to it, except with written permission of the enforcing officer, and for the purpose specified by him; and

(5) Use the word “trace” or “type” as a substitute for any statement which is required by law.