Idaho Statutes Title 49. Motor Vehicles § 49-2426. Marking of vehicles--Certain vehicles excepted

(1) Every motor vehicle owned by or under control and custody of the state of Idaho, except as provided in subsections (2) and (3) of this section, or in section 49-2427, Idaho Code, shall be indelibly and conspicuously lettered on each side, in plain letters not less than one and one-half (1 1/2) inches high, with the words “State of Idaho” or “Idaho” with the name of the proper department, as defined in section 67-2402, Idaho Code, in each case inserted following either of these words. The words shall be kept clear, distinct and visible at all times. The provisions of this section shall not be applicable to any motor vehicle in the personal service of the governor, except that upon the front doors of any motor vehicle in his personal service there shall be placed the Great Seal of the state of Idaho.

(2) Motor vehicles under the custody and control of the director of the Idaho state police and used for confidential investigative purposes when necessary to enforce the laws of this state or motor vehicles under the custody and control of the director of the department of health and welfare and used for official state business need not be marked as provided in subsection (1) of this section. Any other department, agency, or entity of the state shall apply in writing to the director for permission to use one (1) or more unmarked vehicles for confidential investigative purposes. Permission shall be granted only in writing and upon a finding of good cause.

(3) Motor vehicles under the custody and control of the director of the Idaho department of juvenile corrections, when used for official state business and to enforce laws of the juvenile corrections system, including investigation of juveniles under its purview, need not be marked as provided in subsection (1) of this section.