Abu Dawud
The Rites of Hajj
Book Number: 004 / Hadith Number: 1854
Narated By Ka'b ibn Ujrah : The Apostle of Allah (pbuh) came upon him (during their stay) at al-Hudaybiyyah. He then narrated the rest of the tradition. This version adds: "He asked: Do you have a sacrificial animal? He replied: No. He then said: Fast three days or give three sa's of dates to six poor people, giving one sa' to every two persons."