Sahih al-Bukhari 1997
صحيح البخاري#1997SahihNarrated `Aisha and Ibn `Umar:Nobody was allowed to fast on the days of Tashriq except those who could not afford the Hadi (Sacrifice)
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.