《旧唐书·本纪·卷十三》
八月二日，左右神策军设置统军，品级俸禄比照六军旧例。
己卯，左右神策置统军，品秩奉给视六军统军例。
On the 2nd day of the 8th month, Shen Cejun military units were established, and their rank and salary were determined according to the precedents of the six armies.