H. Except as provided in subsection A of this section or in cases of substantial emergency, a person whose driving privilege is limited pursuant to section 28-1381, 28-1382, 28-1383 or 28-3319 shall not operate a motor vehicle without a functioning certified ignition interlock device during the time period prescribed in section 28-3319 or by a court pursuant to section 28-1381, 28-1382 or 28-1383.

I. A person who violates this section is guilty of a class 1 misdemeanor. Additionally, if a person is convicted of violating subsection A, C, D, F or H of this section, the department shall extend the duration of the certified ignition interlock device requirement for not more than one year.

J. For the purposes of this section, "substantial emergency" means that a person other than the person whose driving privilege is limited pursuant to section 28-1381, 28-1382, 28-1383 or 28-3319 is not reasonably available to drive in response to an emergency.