137(1)The production in any court of a document purporting to be or to contain a copy of a decision, determination, interim order, order, direction, declaration, ruling, report or award of the Board, a conciliation officer, a mediator, a mediation officer, a conciliation board, an arbitrator or an arbitration board and purporting to be signed by a member of the Board or its Chief Executive Officer, the conciliation officer, the mediator, the mediation officer, the chairman of the conciliation board, the arbitrator or the chairman of the arbitration board, as the case may be, is prima facie proof of such document without proof of the appointment, authority or signature of the person who signed the document.

137(2)A certificate purporting to be signed by the Minister or by the Deputy Minister or by an official designated by the Minister stating that a report, request or notice was or was not received or given by the Minister pursuant to this Act, and stating, if so received or given, the date upon which it was so received or given, shall be prima facie evidence of the facts stated therein without proof of the signature or of the official character of the person who signed the same.

137(3)Where an appointment, order or direction is required to be made under this Act by the Minister, he may authorize the Deputy Minister to make the appointment, order or direction, and a document purporting to be or to contain a copy of such an appointment, order or direction and purporting to be signed by the Minister or by the Deputy Minister shall be accepted by any court as evidence of the appointment, order or direction.