四分律行事鈔資持記 3.1100

3.1100

雜行中，初文，《僧祇》。由是親里，故聽語告；若容訶責，則違敬法故也。

Under 'Miscellaneous Practices', the first text is from the Mahāsāṃghika-vinaya. Because they are close relatives, communicating and admonishing is permitted; if scolding were allowed, it would violate the rules of respect.