佛說目連問戒律中五百輕重事經 1.181

1.181

問：「師徒父母兄弟死，得哭不？」答：「不得。一舉聲犯捨墮，可小小泣涕而已。」

Question: "When a master, disciple, parent, or sibling dies, may one wail or not?"
Answer: "One may not. Uttering a single cry incurs a naiḥsargika-pāyattika; one may only weep quietly with tears."