(1) Every creditor submitting in compliance with a notice issued under sub-section (1) of section 8 a statement of the debts owed to him shall furnish, along with such statements, full particulars of all such debts, and shall at the same time, produce all documents (including entries in books of account) on which he relies to support his claims together with a true copy of every such document :
Provided that a decree or order of civil Court which has become final shall be conclusive evidence as to the amount of the debt to which the decree relates, but the amount may be reduced as the result of an agreement arrived at in accordance with section 13.
(2) The Board shall, after marking for the purpose of identification every original document so produced and verifying the correctness of the copy, retain the copy and return the original to the creditor.