390. If a ballot box or the required documents are missing, the judge shall take the appropriate measures to ascertain the result of the vote. For that purpose, he is vested with the powers and immunity of a commissioner appointed under the Act respecting public inquiry commissions (chapter C-37).
Every person testifying on that occasion before a judge has the same privileges and immunity as a witness before the Superior Court, and articles 307 to 309 of the Code of Civil Procedure (chapter C-25) apply, adapted as required.