(68) باب صِيَامِ أَيَّامِ التَّشْرِيقِ
Narrated `Aisha and Ibn `Umar:
Nobody was allowed to fast on the days of Tashriq except those who could not afford the Hadi (Sacrifice).
Reference: Sahih al-Bukhari 1997, 1998
In-book reference: Book 30, Hadith 103
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 3, Book 31, Hadith 216