Anas bin Malik reported,
Abu Bakr 
wrote for him the regulations of zakat that the Messenger of Allah ﷺ had prescribed, including that when two partners share livestock, they settle accounts between themselves equally.
Bukhari 1451
Sahihحدثنا محمد بن عبد الله قال حدثني أبي قال حدثني ثمامة أن
أنسا حدثه
أن أبا بكر رضي الله عنه كتب له التي فرض رسول الله ﷺ وما كان من خليطين فإنهما يتراجعان بينهما بالسوية
البخاري 1451صحيح
Contents
Reference
Commentary
Ayat
Collection
Sahih Bukhari
Book
Zakat
Chapter
What was commingled between two partners, they settle between themselves equally
Numbering
Darussalam 1451