Sunan Abi Dawud 937
سنن أبي داود#937Da'ifBilal reported that he said :Messenger of Allah, do not say Amin before me
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniDaif
Muhammad Muhyi Al-Din Abdul HamidDaif
Zubair Ali ZaiSahih
In-book reference: 2:548