Yahya related to me from Malik from Nafi that Abdullah ibn Umarsaid, "The sacrifice can be done up to two days after the Day ofSacrifice."Yahya related to me from Malik that he had heardthe same from Ali ibn Abi Talib.
USC-MSA web (English) reference: Book 23, Hadith 12
Arabic reference: Book 23, Hadith 1042