Proofs of debts in composition or scheme
67.—(1)  A person claiming to be a creditor under a composition or scheme who has not proved the person’s debt before the approval of the composition or scheme must file the proof of the person’s debt with the trustee of the bankrupt’s estate in question.
(2)  The trustee must admit or reject the proof in whole or in part in accordance with these Regulations.
(3)  No person is entitled to enforce payment of any sum payable under a composition or scheme unless the person has proved the person’s debt and the person’s proof has been admitted.