Montana Title 30. Trade and Commerce § 30-14-1412. Abusive acts and practices

(a) use threatening, intimidating, or profane or obscene language;

(b) engage any person repeatedly or continuously with behavior a reasonable person would consider annoying, abusive, or harassing;

(c) initiate a telemarketing call to a person who has stated previously, in compliance with 16 CFR 310 and 47 CFR 64.1200, that the person does not wish to receive solicitation calls from that seller or telemarketer;

(d) engage in telemarketing to a person's residence at any time other than between 8 a.m. and 9 p.m. local time at the called person's location;

(e) engage in any other conduct that would be considered abusive to any reasonable consumer; or

(f) intentionally block a person using caller identification or “ *69” from accessing the seller's or telemarketer's phone number. It is not a violation of this subsection (1)(f) to provide a reasonable substitute name and number that accurately identify the entity causing the call to be made and a working telephone number at which the entity's personnel can be contacted.