(2) باب الأُضْحِيَةِ عَنِ الْمَيِّتِ
Narrated Hanash:
I saw Ali sacrificing two rams; so I asked him: What is this? He replied. The Messenger of Allah (ﷺ) enjoined upon me to sacrifice on his behalf, so that is what I am doing. (ID)
Reference (ID): Sunan Abi Dawud 2790 (ID)
In-book reference (ID): Book 16, Hadith 3 (ID)
English translation (ID): Book 15, Hadith 2784 (ID)