Not graded
Hisn al-Muslim (Fortress of the Muslim) 227
((إذَا سَلَّمَ عَلَيْكُمْ أَهْلُ الْكِتَابِ فَقُولُوا: وَعَلَيْكُمْ)).
(When the people of the Book greet you, reply by saying: (And upon you.))
Cited in Hisn al-Muslim (Fortress of the Muslim) (No. 227).