The District may inspect any medium used in agricultural production including machinery, livestock, forage, feed grain and seed for planting which is moving to or within the District and is capable of spreading weeds designated for control by the District. If upon inspection the agricultural medium is found to be infested with viable reproductive parts of a designated weed, it must be treated in a manner approved by the District.
Nev. Admin. Code § 555.043
NRS 555.209