Mas’ala 8994الأمShafi'ivol. 3, p. 88vol. 3, p. 88 قَالَ اللَّهُ تَعَالَى: {وَأَشْهِدُوا إِذَا تَبَايَعْتُمْ} . Read the whole chapterCopy with source On the map: TestimonyCompare