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كتاب الوكالة
40  
Representation, Authorization, Business by Proxy
(1)
Chapter: A partner can deputize for another
(1)
باب وَكَالَةُ الشَّرِيكِ الشَّرِيكَ فِي الْقِسْمَةِ وَغَيْرِهَا
Sahih al-Bukhari 2300

Narrated `Uqba bin Amir:

that the Prophet (ﷺ) had given him sheep to distribute among his companions and a male kid was left (after the distribution). When he informed the Prophet (ﷺ) of it, he said (to him), "Offer it as a sacrifice on your behalf."

حَدَّثَنَا عَمْرُو بْنُ خَالِدٍ، حَدَّثَنَا اللَّيْثُ، عَنْ يَزِيدَ، عَنْ أَبِي الْخَيْرِ، عَنْ عُقْبَةَ بْنِ عَامِرٍ ـ رضى الله عنه ـ أَنَّ النَّبِيَّ صلى الله عليه وسلم أَعْطَاهُ غَنَمًا يَقْسِمُهَا عَلَى صَحَابَتِهِ، فَبَقِيَ عَتُودٌ فَذَكَرَهُ لِلنَّبِيِّ صلى الله عليه وسلم فَقَالَ ‏ "ضَحِّ بِهِ أَنْتَ."
Reference : Sahih al-Bukhari 2300
In-book reference : Book 40, Hadith 2
USC-MSA web (English) reference : Vol. 3, Book 38, Hadith 497
  (deprecated numbering scheme)