However, due to flat-tax issue was subject to interrogation, truthful testimony of the judiciary has not yet grasp the crime, is surrendered, has the statutory mitigating or extenuating circumstances.

• 但周因单位偷税问题被盘问时，如实供述了司法机关尚未掌握的罪行，属自首，具有法定从轻或减轻处罚情节。