A person who solemnizes a marriage without first receiving a proper marriage license from the parties as provided in this chapter or without the parties declaring to take each other as husband and wife, or without requiring the presence of one competent witness ; or who solemnizes a marriage involving a person under the legal age of marriage without the consent of (1) the licensing official when authorized, or (2) the parents or guardian of the underaged person, being stated in the license; or who solemnizes a marriage knowing of any legal impediment thereto, or who solemnizes a marriage after the expiration of the license, or who falsely certifies to the date of a marriage solemnized by that person is guilty of a misdemeanor, and upon conviction is punishable by imprisonment for not more than six months, or by a fine of not more than $500, or by both.