The Sufficient (Vol 2) · Hadith 2197 (#Ḥadīth #2)
Chapter 9 | Offer or Answer of Greetings of Peace by one Person From a Group Is Sufficient
2ـ مُحَمَّدُ بْنُ يَحْيَى عَنْ أَحْمَدَ بْنِ مُحَمَّدٍ عَنِ ابْنِ مَحْبُوبٍ عَنْ عَبْدِ الرَّحْمَنِ بْنِ الْحَجَّاجِ قَالَ إِذَا سَلَّمَ الرَّجُلُ مِنَ الْجَمَاعَةِ أَجْزَأَ عَنْهُمْ.
2. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from ibn Mahbub from ‘Abd al-Rahman ibn al-Hajjaj who has said the following from the Imam: “If one person offers the greeting of peace for a whole group it is considered enough and sufficient.”
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).