Rule 38.3.121 - FILING BUSINESS ADDRESSES AND TELEPHONE NUMBERS(1) All intrastate and interstate motor carriers shall maintain current business mailing addresses and business telephone numbers on file with the commission at all times. Intrastate motor carriers shall also maintain on file with the commission at all times a current business address where the business records of the carrier are maintained and may be inspected by the commission or its personnel.NEW, 1983 MAR p. 1735, Eff. 11/26/83.Secs. 69-12-201 and 69-12-204, MCA; IMP, Secs. 69-12-201 and 69-12-204, MCA;