Minor In Possession One of the criminal misdemeanors that occurs most frequently with people under 21, is a Minor In Possession ticket. A minor in possession ticket might be for possession of alcohol, marijuana, or some other controlled substance. The State of Michigan had a problem with it's MIP statute. A portion of the statute allowed police to make people under 21 years of age submit to a preliminary breath test(PBT) whenever the police suspected the individual may have been consuming alcohol. In 2007 a Federal judge in the Eastern District of Michigan ruled that that portion of Michigan's law was violation of the Fourth Amendment. Since that ruling the police in Michigan must have a search warrant to make...