The General Court of Appeals shall adopt uniform Rules of Procedure governing all proceedings before boards of discipline and courts of appeal. After such rules are adopted and published, they shall be the final authority in all judicial proceedings. Printed Rules of Procedure shall be supplied by the general secretary. Changes or amendments to such rules may be adopted by the General Court of Appeals at any time, and when these are adopted and published, they shall be effective and authoritative in all cases. Any steps that are thereafter taken in any proceeding shall be in accordance with such change or amendment. (606.1)