A person who knowingly violates this subtitle more than twice is guilty of a misdemeanor. A person who willfully violates this subtitle is guilty of a misdemeanor and on conviction is subject to imprisonment not exceeding 1 year or a fine not exceeding $1,000 or both. If a civil order finding the defendant in violation of this subtitle is not entered at least once before the occurrence of an alleged misdemeanor, a violation of this subtitle is presumed not to be willful.