《旧唐书·本纪·卷二十》
二月十四日，决定朝议大夫、暂署右散骑常侍、上柱国、荥阳县男郑綮担任礼部侍郎、同平章事。
己未，制朝议大夫、守右散骑常侍、上柱国、荥阳县男郑綮为礼部侍郎、同平章事。
On the fourteenth day of the second month, the ruling council decided to appoint Zheng Yun, the consultant for imperial affairs and acting deputy of the right guard examiner, marquis of Xingyang county, as the vice minister of the Ministry of Rites and chief policy advisor.