《礼记·曾子问》
如果不是宗子，即使没有主妇也是可以的。 曾子问道： 将要为儿子举行加冠礼，被邀请参加冠礼的宾和赞者已经来到，并且已被以礼相迎让入庙内，这时候突然遇到齐衰或大功丧服关系的亲属的丧事，怎么办呢？ 
曾子问曰： 将冠子，冠者至，揖让而入，闻齐衰大功之丧，如之何？ 
If it is not the son of the ancestor, even if there is no hostess, it is acceptable. Zengzi asked: When a son is about to hold a coming-of-age ceremony, the guests and supporters invited to the coming-of-age ceremony have already arrived and have been welcomed into the temple with courtesy, but suddenly, the funeral of a relative with a mourning dress of Qi Zhai or Dagong is encountered, what should be done?