(1) The duration of a single trip special permit is the length of time for the specified move as indicated by the effective date and the expiration date shown on the permit. A single trip special permit may be issued if any of the following conditions apply:

(a) the powered vehicle is operating on a Montana temporary trip permit;

(b) the applicant requests a single trip permit;

(c) dimensions or weight exceed the maximums allowed in 61-10-121 through 61-10-125 , MCA.

(2) Term permits issued on financial stationery or computer generated permits are valid from January 1 through December 31. Term permits issued on the apportioned registration (cab card) to Montana based vehicles licensed under the IRP, expire with the registration and are valid only for a long combination vehicle but not a triples or 100 foot doubles combination as defined in statute. Term permits issued under regional permit agreements are valid for a maximum of one year and expire on a date determined by the rules of the agreement. A term permit may only be issued to a power unit which is properly licensed with Montana.