373.15 PARENTAL DUTY.
   (a)   The parent of any child and the guardian of any ward shall not authorize or knowingly permit any such child or ward to violate any of the sections of this chapter or Chapter 374. (1979 Code 75.09 (B))
   (b)   Whoever violates any provision of this section is guilty of a minor misdemeanor on a first offense; on a second offense within one year after the first offense, the person is guilty of a misdemeanor of the fourth degree; on each subsequent offense within one year after the first offense, the person is guilty of a misdemeanor of the third degree.