四分律行事鈔資持記 3.1101

3.1101

四、五二律，教尼入寺，即初敬攝。如上明者，即前〈說戒〉中。

The two Vinayas, the Dharmaguptaka and Mahīśāsaka, teach nuns entering monasteries, which falls under the first gurudharma. 'As explained above' refers to what was in the earlier chapter on 'Poṣadha'.