Question:

If you are convicted of tampering with an ignition interlock device (IID) after installing it for a first DUII conviction, your license will be suspended for an additional

A year.

Explaination

For a first DUII conviction, the court may require you to install an ignition interlock device (IID) on each vehicle you drive for a period of one year once your driving privileges are reinstated. If you are convicted of tampering with it after you've installed it, your driving privileges will be suspended for an additional year. [ORS 813.602], [ORS 813.620]