(1) Except as provided in (a), (b), (c), and (d) no female cattle over the age of four months may be imported into the state of Montana for any purpose other than immediate slaughter unless they are officially vaccinated, by an accredited veterinarian approved in his or her state to administer the vaccination, with a Brucella abortus vaccine approved by the Veterinary Biologics Division, U.S. Department of Agriculture except as follows:

(a) cattle being transported or moved through Montana with no intent to unload in the state are exempt from this section. In an emergency situation, they may be unloaded in compliance with quarantine rules promulgated by the Department of Livestock under 81-2-102, MCA.

(b) spayed cattle;

(c) nonvacinnated cattle less than 11 months of age placed under a hold order for Brucellosis vaccination or spaying within 30 days of arrival; and

(d) nonvaccinated cattle from those class free states or areas designated by the Board of Livestock.

(2) All sexually intact male cattle entering Montana must meet the Trichomoniasis testing and certification requirements set forth in ARM 32.3.502, except as provided below:

(a) those being transported through Montana with no intent to unload in the state. In an emergency situation, the cattle may be unloaded in compliance with quarantine rules promulgated by the department at ARM 32.3.106 through 32.3.111;

(b) those consigned directly to a licensed slaughtering establishment or to a licensed livestock market and then directly to a licensed slaughtering establishment;

(c) nonvaccinated cattle less than 11 months of age placed under quarantine for Brucellosis vaccination or spaying within 30 days of arrival; and those consigned directly to a feedlot approved by the state veterinarian and then directly to either a licensed slaughtering establishment or to a licensed livestock market and then directly to a licensed slaughtering establishment;

(d) virgin bull as defined in ARM 32.3.201(h);

(e) those imported for exhibition or rodeo purposes and held in confined facilities. They shall not be used for semen collection or natural breeding;

(f) those imported to a CSS (certified semen services) bull stud or its equivalent (ARM 32.3.220);

(g) those imported as part of state veterinarian approved seasonal grazing operations without changing ownership, following a risk assessment. Sexually intact male cattle imported as part of state veterinarian approved seasonal grazing operations may be subject to herd specific testing and certification requirements as determined by the state veterinarian.

(3) Any Trichomoniasis test eligible bovine used for sporting or exhibition purposes that breaches a fence and commingles with other bovine shall be tested for Trichomoniasis. The owner of the trespassing bovine shall bear all costs for the requested test on that bovine.

(4) Any Trichomoniasis test eligible bull that remains in Montana for breeding purposes, change of ownership, or grazing must adhere to the conditions in ARM 32.3.502.

(5) All cattle imported into Montana must meet the interstate requirements as set forth in Title 9 CFR.