Maryland Administrative Per Se:

An administrative suspension is a direct result of failing a breath test or refusing to take one. As a result, your license is confiscated and you are given a temporary license that expires in 30 days.

If you have an ignition interlock device installed while you have your temporary license, you should be able to avoid MVA court and a further administrative license suspension.  It is possible that your time using an interlock while under administrative suspension will be applied to any additional MA court-ordered suspension if convicted on the same matter.  In some cases, you can obtain a restricted license that allows you to drive to work, school, or other authorized locations.

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Criminal Consequences for Maryland DUI/DWI:

After a conviction for an alcohol-related offense, you’ll have an additional MVA hearing. The MVA has the power to suspend or even revoke your driver’s license. The penalties are even more severe for those under 21 and commercial drivers. There are also criminal penalties for both DUI and DWI in Maryland. First-time offense convictions can result in jail, fines, additional license suspension periods, and points added to your license.

How do I get a Maryland Restricted Driving License with an Ignition Interlock?

Criminal Penalties for high blood alcohol content

In Maryland, if your chemical test result was .15 or higher, you are not eligible for a restricted license. Your only option in this instance is to install an interlock device in your vehicle for one year. To have this option, you must install the interlock device within 30 days after your arrest.