四分律行事鈔資持記 2.1207

2.1207

他部中。《十誦》約正足，此開背請，亦聽不囑。《多論》明犯，非關此戒；或緣輒往令眾不知，少有同故，寄此明之。下卷即〈赴請篇〉。

Under other schools: the Daśādhyāya-vinaya is based on the meal being truly sufficient; this permits going against the invitation, and also allows not entrusting. The Sarvāstivāda Vinaya Vibhāṣā's clarification of an offense is not related to this precept; or perhaps because going without authorization causes the community not to know, having a slight similarity, it is elucidated here by association. The lower fascicle is the "Chapter on Attending Invitations."