No court of this state shall hear or try any case in which the Tax Commission is a party plaintiff, defendant or intervener, until it has been made to appear to said court that notice of the time and place of said hearing has been given by registered or certified mail, for at least ten (10) days, to the attorney of the Tax Commission. Such notice shall be given by the court clerk and the cost thereof taxed as court costs in the case. Laws 1965, c. 414, § 2.
Oklahoma Legal Code