S.L. 409.7 ст. 6Evidence of witnesses. Cap. 12.

The evidence of witnesses in the appeal hearing shall be produced either viva voce or by affidavit. The provisions of the Code of Organization and Civil Procedure referring to the production of evidence before a court of civil jurisdiction, shall, mutatis mutandis, apply to the production of evidence by viva voce or by affidavit before the Board.