《资治通鉴·晋纪·晋纪二十三》
三月，庚戌朔，东晋大规模地核查户数人口，命令以所居之地作为编注户口、纳税服役的依据，并严格法律制度。此项法令称为 庚戌制 。
三月，庚戌朔，大阅户口，令所在土断，严其法制，谓之《庚戌制》。
In March, on the first day of the first lunar month, Eastern Jin carried out a large-scale census of households and population, and ordered that the place of residence be used as the basis for compiling household registers, paying taxes and serving, and strictly implementing the legal system. This decree is known as the "Gengxu System".