A person, association, or corporation engaged in the sampling of ores with intent to purchase or smelt them, whether for themselves or as the agent or agents for other purchasers, shall choose an assayer who has operated an assay office or chemical laboratory for at least 1 year. The person, association, or corporation shall submit to the selected assayer all samples of ore over which there is a dispute as to metallic contents or value between the buyer or sampler and the seller of the ore. The chosen assayer shall be known as the umpire for the person, association, or corporation.
§ 82-2-404, MCA