《宋史·本纪·卷八》
文武官员升官晋爵，允许把自己的叙封回授给祖父母；四品以上，曾经侍奉太祖、太宗潜藩或曾经更换边任家没有食禄者，录用其子孙。
文武官并迁秩，该叙封欲回授祖父母者听。四品以上，迨事太祖、太宗潜藩或尝更边任家无食禄者，录其子孙。
Promote and grant titles to civil and military officials, and allow them to confer their own titles on their grandparents; those of the fourth rank and above who have served the founding emperor, the Emperor Taizong in his early years, or have served in border areas but did not receive salaries will have their children and grandchildren hired.