Mont. Code Ann. § 61-3-423
The department may not issue more than one identical pair of lettered license plates for any licensed amateur radio station in any one licensing period.
History: En. Sec. 3, Ch. 2, L. 1957; amd. Sec. 3, Ch. 62, L. 1959; R.C.M. 1947, 53-106.4; amd. Sec. 1, Ch. 503, L. 1985; amd. Sec. 96, Ch. 542, L. 2005; amd. Sec. 9, Ch. 335, L. 2019.