The permissibility of the slaughter of every one who professes the religion of Islam

Question: What is the ruling on the slaughter of one who was upon a school of jurisprudence other than that of the people of the Sunnah and the community, then Allah guided him to it?

Answer: The slaughter of every one who professes Islam and follows the methodology of the people of the Sunnah and the community is lawful. And whoever says: "Your slaughter is not lawful," has erred and made a mistake, as long as you—by the praise of Allah—proceed upon the methodology of the people of the Sunnah and the community in sincerity to Allah and following His Islamic sacred law.