《魏书·列传·卷四十六》
帝诏杨椿以本官加授侍中、兼尚书右仆射为行台，节度关西诸将，其统辖之内五品官职以下，郡县必须补用的官员，他任命了朝廷即行拟授。
诏椿以本官加侍中、兼尚书右仆射为行台，节度关西诸将，其统内五品已下、郡县须有补用者，任即拟授。
The emperor ordered Yang Chun to be appointed Attendant-in-Ordinary, Assistant Right Minister of the Department of State, and Branch Office in addition to his current official posts. He was to command the generals in Guanzhong. The county and prefecture officials below the fifth rank within his jurisdiction must be approved by the court before they could be appointed.