Unlawful wearing of uniform or insignia. No member of the organized militia shall wear, when on or off duty, any uniform or any device, strap, knot or insignia of any design or character used as a designation of grade, rank or office, such as are by law or regulation, duly promulgated, prescribed for the use of the organized militia, without the permission of the commanding officer. [1961 c.454 §75(3)]

ORS 399.155 — under Chapter 399.