A. The supreme court shall promulgate rules to regulate pleading, practice and procedure in the probate courts to simplify and promote the speedy determination of probate. The rules shall not abridge, enlarge or modify the substantive rights of any party.

B. The supreme court shall cause all rules to be printed and distributed to all probate judges and to all members of the bar, and no rule shall become effective until thirty days after the rule has been printed and distributed.