Abu Dawud Book 8, Hadith Number 2720.
Chapter : Not known.
Narated By Abdullah ibn Umar : The Apostle of Allah (PBUH) stood up, i.e. on the day of Badr, and said: Uthman has gone off on the business of Allah and His Apostle, and I shall take the oath of allegiance on his behalf. The Apostle of Allah (PBUH) then allotted him a share, but did not do so for anyone else who was absent.