A sheriff, registered process server, or other ministerial officer is justified in the execution of and must execute all process and orders regular on their face and issued by competent authority, whatever may be the defect in the proceedings upon which they were issued.
Mont. Code Ann. § 25-3-202
When officer's execution of process justified and required
En
Official source: Montana Code Annotated (Montana Legislature). Reproduced from public-domain Montana statutes; confirm against the official source for the current text. Not legal advice.