《宋史·本纪·卷十四》
秋七月初三，下诏：谋杀已伤人命，在立案时能自首者，根据谋杀罪减轻二等处理。
秋七月癸酉，诏谋杀已伤，案问欲举自首者，从谋杀减二等。
On the 3rd of July in autumn, an edict was issued: a murder that has caused a loss of life, if the suspect can turn himself in during the filing of the case, will be treated as a second-degree reduction in the crime of murder.