Any person violating the provisions of RSA 270:31 shall be subject to the following penalties: I. If the offense occurs prior to November 1, 1973, he shall be fined not more than $25 for each offense. II. If the offense occurs on or after November 1, 1973, he shall be guilty of a violation for each offense. III. The director of state police may prohibit further scuba activity, in addition to the penalties prescribed in either paragraph I or II, until the provisions of RSA 270:31 have been complied with.