بُلُوغُ الْمَرَامِ
Bulugh al-Maram 601
The Book of Zakah
وَعَنْ عَمْرِو بْنِ شُعَيْبٍ, عَنْ أَبِيهِ, عَنْ جَدِّهِ قَالَ: قَالَ رَسُولُ اَللَّهِ - صلى الله عليه وسلم -{ تُؤْخَذُ صَدَقَاتُ اَلْمُسْلِمِينَ عَلَى مِيَاهِهِمْ } رَوَاهُ أَحْمَد ُ [1] .
'Amro bin Shu'aib narrated on the authority of his father, who reported on the authority of his grandfather (RAA) that the Messenger of Allah (ﷺ) said: “The Zakah of the Muslims should be collected by their water trough.” Related by Ahmad.
Sunnah.com reference: Book 4, Hadith 4