Mas’ala 752مختصر المزنيShafi'ivol. 1, p. 145vol. 1, p. 145 وَلَوْ قِيرَاطًا فَبِحِسَابِهِ وَإِنْ ارْتَدَّ، Read the whole chapterCopy with source On the map: ZakatCompare