Sunan Ibn Majah, Volume 4, Book 25, Hadith 3099 (DarusSalam) ⓘ
It was narrated that ‘Ali bin Abu Talib said: “The Messenger of Allah commanded me to look after his sacrificial camels, to share out their covers and skins, and not to give the butcher any of it. He said: ‘We will give him (his wages).’”
حَدَّثَنَا مُحَمَّدُ بْنُ الصَّبَّاحِ، أَنْبَأَنَا سُفْيَانُ بْنُ عُيَيْنَةَ، عَنْ عَبْدِ الْكَرِيمِ، عَنْ مُجَاهِدٍ، عَنِ ابْنِ أَبِي لَيْلَى، عَنْ عَلِيِّ بْنِ أَبِي طَالِبٍ، قَالَ أَمَرَنِي رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ أَنْ أَقُومَ عَلَى بُدْنِهِ وَأَنْ أَقْسِمَ جِلاَلَهَا وَجُلُودَهَا وَأَنْ لاَ أُعْطِيَ الْجَازِرَ مِنْهَا شَيْئًا وَقَالَ " نَحْنُ نُعْطِيهِ " .
also referenced under: Hadith 3099 (Reference) & Book 25, Hadith 3218 (In-Book)