《旧唐书·本纪·卷十九》
 本月十七日，在延英殿当面奉皇上圣旨，令我们告诫约束天下的州府，所有逃亡在外的人口，他们的赋税、徭役不得向现在在籍的人户摊派。
今月十七日，延英面奉圣旨，令诫约天下州府，应有逃亡户口，其赋税差科，不得摊配见在人户上者。
On the 17th of this month, in the Yanying Hall, we received the emperor's sacred decree, ordering us to warn and restrain the prefectures and counties throughout the world that all of the people who have fled to foreign lands will not have their taxes and corvée labor apportioned to the current households in the register.