Sunan an-Nasa'i 4423
سنن النسائي#4423SahihIt was narrated from Ibn 'Umar that:the Messenger of Allah forbade eating the meat of sacrificial animals after three days" (Sahih)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih Muslim
In-book reference: 43:63