Montana Code Annotated
Part 10. Driving Under Influence of Alcohol or Drugs
61-8-1025. Department rules regarding ignition interlock devices -- ignition interlock device provider requirements

61-8-1025. Department rules regarding ignition interlock devices -- ignition interlock device provider requirements. (1) The department shall adopt rules providing for the approval of ignition interlock devices and the installation, calibration, repair, and removal of approved devices.
(2) The department's rules must be based on federal standards issued for similar devices.
(3) An ignition interlock device that is approved by the department must also:
(a) be designed so it does not impede safe operation of the vehicle;
(b) correlate well with the level established for alcohol impairment;
(c) work accurately and reliably in an unsupervised environment and under extreme weather conditions;
(d) require a deep lung breath sample or use an equally accurate measure of blood alcohol concentration equivalence;
(e) resist tampering and show evidence of tampering if it is attempted;
(f) be difficult to circumvent;
(g) minimize inconvenience of a sober user;
(h) operate reliably over the range of automobile environments and in connection with various manufacturing standards; and
(i) be manufactured by a person who is adequately insured for product liability.
(4) An ignition interlock device provider shall include in any lease agreement for an ignition interlock device a warning that a person who knowingly tampers with, circumvents, or otherwise misuses the device is subject to criminal prosecution.
History: En. Sec. 13, Ch. 498, L. 2021.

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