《新唐书·本纪·卷三·高宗》
七月初二，高宗立陈王李忠为皇太子，施行大赦，赐给五品以上官员之子勋衔，在其父以下的加勋一级，百姓聚饮三天。
七月丁巳，立陈王忠为皇太子，大赦，赐五品以上子为父后者勋一转，民酺三日。
On the 2nd of July, Emperor Gaozong made Li Zhong, Prince of Chen, the Crown Prince. A general amnesty was announced, and the sons of officials ranked fifth or above were given honorary titles. Those below their fathers were given honorary titles one level higher. The common people celebrated for three days.