《明史·志·卷二十九》
皇太子穿平常衣服登上座位，太师、太傅、太保、宾客穿常服到拜位，向北站立。
皇太子常服升座，三师、宾客常服入就位，北向立。
The crown prince, in his everyday clothes, ascends to his seat, while the Grand Preceptor, Grand Tutor, Grand Guardian, guests, and scholars, in their everyday clothes, go to their places of worship and stand facing north.