Surat Al-Mā'idah - سورة المائدة

وَلْيَحْكُمْ أَهْلُ الْإِنجِيلِ بِمَا أَنزَلَ اللَّهُ فِيهِ ۚ وَمَن لَّمْ يَحْكُم بِمَا أَنزَلَ اللَّهُ فَأُولَٰئِكَ هُمُ الْفَاسِقُونَ

Muhsin Khan: Let the people of the Injeel (Gospel) judge by what Allah has revealed therein. And whosoever does not judge by what Allah has revealed (then) such (people) are the Fasiqun (the rebellious i.e. disobedient (of a lesser degree) to Allah.