《旧唐书·本纪·卷十四》
十九日，中书省禀奏： 以前禁止各道向朝廷禀奏吉祥符瑞。
甲戌，中书奏： 先停诸道奏祥瑞。
On the nineteenth, the Secretariat of the Central Government reported: it was previously forbidden for each of the routes to report auspicious signs and symbols to the court.