The plaintiff must cause a notice to be served at least twenty days before the time for appearance on each person having such lien by judgment or decree, to appear before the referee at a specified time and place to make proof by his own affidavit or otherwise, of the true amount due or to become due, contingently or absolutely on his judgment or decree.
[Code 1881 § 569; 1877 p 120 § 572; 1869 p 136 § 522; RRS § 855.]