Montana Code Annotated · § 60-6-102 — Notice of encroachment

(1) Notice to remove an unpermitted encroachment, specifying the width of the highway right-of-way and the place and extent of the encroachment, must be given to the person erecting or maintaining the encroachment.

(2) Notice must be given in the following manner:

(a) in writing by certified mail sent to the person's business or personal address or by personal service; or

(b) if the person's address cannot be found, by posting it on the encroachment.