Bahz bin Hakim narrated from his father that his grandfather Mu'awiyah Al-Qushairi said:
"The Messenger of Allah said: 'Let the one who is present convey to the one who is absent.'" (JA)
English reference (JA): Vol. 1, Book 1, Hadith 234 (JA)
Arabic reference (JA): Book 1, Hadith 240 (JA)