 When applying for a state professional license or job that is considered a public office or high security (such as security guard, law enforcement, or related to national security), you must often disclose that you have an expunged conviction.Failure to disclose an expunged criminal charge may result in denial of a license or denial of a security clearance by the Department of Justice.Some criminal convictions may warrant automatic denials of licensure, whether expunged or not.