Mont. Code Ann. § 7-4-2221

Whenever any officer of any county is required or authorized by law to record, copy, file, recopy, or replace any document, plat, paper, written instrument, or book on file or of record in the officer's office, the officer may do so by photographic, micrographic, electronic, or other mechanical process that produces a clear, accurate, and permanent copy or reproduction of the original document, plat, paper, written instrument, or record in accordance with standards not less than those now approved for permanent records by national standards.