Except as otherwise provided in this Act, dairy and breeding cattle may enter Illinois without an official test for brucellosis when accompanied by an interstate health certificate approved by the State Animal Health Official of the state of origin and issued by an accredited veterinarian of the state of origin or a veterinarian employed by the Animal and Plant Health Inspection Service of the United States Department of Agriculture, or any successor agency, showing:
510 ILCS 30/6.2