Sahih al-Bukhari 3997
صحيح البخاري#3997SahihNarrated Ibn `Abbas:Abu Sa`id bin Malik Al-Khudri returned from a journey and his family offered him some meat of sacrifices offered at `Id ul Adha. On that he said, "I will not eat it before asking (whether it is allowed)." He went to his maternal brother, Qatada bin Nu'man, who was one of the Badr warriors, and asked him about it. Qatada said, "After your departure, an order was issued by the Prophet (ﷺ) cancelling the prohibition of eating sacrifices after three days
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 64:48