Show me the written ruling on the punishment and the guaranty, please. 请出示治安处罚裁决书和担保书。
No modification of this Guaranty shall be effective for any purpose unless it is in writingexecuted by an officer of Buyer authorized to do so. 非经书面并由一名经授权的买方工作人员执行，为任何目的对本担保书所作的变更均无效。
