Messenger of Allah, my father has been obligated to perform the Hajj, but he is an old man who cannot sit upright on the back of a camel.He said, "Perform the Hajj on his behalf."
حدثنا أحمد بن منيع حدثنا روح بن عبادة حدثنا ابن جريج أخبرني ابن شهاب قال حدثني سليمان بن يسار عن عبد الله بن عباس
يا رسول الله إن أبي أدركته فريضة الله في الحج وهو شيخ كبير لا يستطيع أن يستوي على ظهر البعير قال حجي عنه
Sourcing, agreed upon by Bukhari and Muslim. Bukhari narrated it in Hajj, in the chapter on performing Hajj on behalf of someone unable to remain steady on the mount, hadith 1853, and Muslim, hadith 1335, from the hadith of Ibn Jurayj with the same wording.On this subject there are also narrations from Ali [mentioned earlier at 885], Burayda [to come at 929], Husayn bin Awf [Ibn Majah, hadith 2908], Abu Razeen Aqeeli [to come at 930], Sawda bint Zama [Ahmad 6/429 and Darimi, hadith 1844], Ibn Abbas [5/116, hadith 263], and the paternal aunt of Sinan [Ibn Abu Shayba 14/169, 170, and others].