《明史·志·卷六十八》
宣德五年，听从尚书张本的请求，下令全国官吏、军旗公开核查从洪武、永乐以来征兵而没有踪影的人，免除他们的兵役。
五年，从尚书张本请，令天下官吏、军旗公勘自洪、永来勾军之无踪者，豁免之。
In the fifth year of Xuande, at the request of Minister Zhang Ben, the emperor ordered all officials and military flags throughout the country to openly verify the missing people who had been recruited since Hongwu and Yongle and exempt them from military service.