Idaho Code § 25-301

Whenever petitions signed by sixty percent (60%) or more of the cattle, other bovidae, captive cervidae, captive antilocapridae and camelidae owners, as designated by the last assessment rolls of the several taxing districts therein, who reside in any county, counties, or well-defined areas, which are segregated from other areas or separated from other areas by natural segregating boundary lines, such as mountain ranges, rivers or canyons, shall be presented to the department of agriculture, asking that all cattle, other bovidae, captive cervidae, captive antilocapridae and camelidae within such county, counties, or areas, be tested for tuberculosis, said department is hereby authorized to make such test in the manner prescribed in sections 25-215, 25-216, 25-222 and 25-229, Idaho Code.