(34) باب التَّمَتُّعِ وَالإِقْرَانِ وَالإِفْرَادِ بِالْحَجِّ وَفَسْخِ الْحَجِّ لِمَنْ لَمْ يَكُنْ مَعَهُ هَدْى
Narrated Sa`id bin Al-Musaiyab:
`Ali and `Uthman differed regarding Hajj-at-Tamattu` while they were at 'Usfan (a familiar place near Mecca). `Ali said, "I see you want to forbid people to do a thing that the Prophet (ﷺ) did?" When `Ali saw that, he assumed Ihram for both Hajj and `Umra.
Reference: Sahih al-Bukhari 1569
In-book reference: Book 25, Hadith 55
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 2, Book 26, Hadith 640