Sahih Bukhari Volume 003, Book 029, Hadith Number 078.
Hadith Section/Book: Sahih Bukhari Sahih Bukhari Book 29. Penalty of Hunting While on Pilgrimage
Narated By Ibn 'Abbas : A woman from the tribe of Khath'am came in the year (of ,Hajjat-ul-wada' of the Prophet) and said, "O Allah's Apostle! My father has come under Allah's obligation of performing Hajj but he is a very old man and cannot sit properly on his Mount. Will the obligation be fulfilled if I perform Hajj on his behalf?" The Prophet replied in the affirmative.