《宋史·本纪·卷四十》
嘉定十六年春正月初五，下诏命官犯贪赃者不得免除约法处罚。
十六年春正月戊申，诏命官犯赃毋免约法。
In the fifth month of the first year of Jiading (1208) Emperor Ningzong issued an edict, stating that officials found guilty of corruption would not be exempted from punishment.