《明史·列传·卷一百一十七》
访单是吏部考察官吏时，咨询大家的意见以定贤否，朝廷大臣因此把所见所闻的写下来给掌管考察的官吏。
访单者，吏部当察时，咨公论以定贤否，廷臣因得书所闻以投掌察者。
The questionnaire was consulted by the officials of the Ministry of Officials when examining officials to determine their talents, and the ministers of the court would write down what they saw and heard to the officials responsible.