Sunan an-Nasa'i 3968
سنن النسائي#3968SahihMaimun bin Siyah asked Anas bin Malik:"O Abu Hamzah, what makes the blood and wealth of a Muslim forbidden?" He said: "Whoever bears witness to La ilaha illallah (there is none worthy of worship except Allah) and that Muhammad is the Messenger of Allah [SAW], faces our Qiblah, prays as we pray, and eats our slaughtered animals, he is a Muslim, and has the same rights and obligations as the Muslims
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih
In-book reference: 37:3