Mont. Code Ann. § 13-35-202
13-35-202 Conduct of election officials or election workers
13-35-202 . Conduct of election officials or election workers. An election official or election worker may not:
(1) deposit in a ballot box a paper ballot that is not marked as official;
(2) examine an elector's ballot before putting the ballot in the ballot box;
(3) look at any mark made by the elector upon the ballot;
(4) make or place any mark or device on any ballot with the intent to ascertain how the elector has voted;
(5) allow any individual other than the elector to be present at the marking of the ballot except as provided in 13-1-116 , 13-13-118 , 13-13-119 , and 13-13-229 ; or
(6) make a false statement in a certificate regarding affirmation.