Wyo. Stat. § 31-2-207
Upon application the department shall issue distinctive license plates indicating public ownership for vehicles owned by the United States, state of Wyoming, a county, city, town or political subdivision of Wyoming or a joint powers board under W.S. 16-1-101 through 16-1-109. A distinctive license plate under this section may be issued to any public entity specified in this section, provided that the public entity or another public entity specified in this section owns the vehicle and the public entity applying for the distinctive license plate has the authority to possess and operate the vehicle in fulfillment of its public purpose. Upon presentation of proper credentials and identification of the applicant the department shall issue license plates not disclosing public ownership of a vehicle to investigative agencies of Wyoming and the criminal investigative agencies of the department of justice, department of defense and department of the treasury of the United States and the records of the department shall not disclose the public ownership of the vehicles.
W.S. 31-2-207