Al-Khiá¹£Äl - Part 4: On Four-Numbered Characteristics Chapter: Do Not Tax Four Things د ب٠اÙØس٠رض٠اÙÙ٠عÙÙ٠د ب٠ÙØÙ٠اÙØ¹Ø·Ø§Ø±Ø ÙØ£Ø٠د ب٠عÙس٠بإسÙاد٠ÙرÙع٠إÙ٠أب٠جعÙر عÙÙ٠اÙسÙا٠اÙس Ù٠أربعة أشÙاء: Ù٠اÙاضØÙØ©Ø ÙاÙÙÙÙ ÙØ«Ù 4-102 (The compiler of the book narrated) that his father and Muhammad ibn al-Hassan - may God be pleased with them - narrated that Muhammad ibn Yahya al-Attar and Ahmad ibn Idris quoted Muhammad ibn Ahmad ibn Yahya, on the authority of Muhammad ibn Isa who linked it up through a chain of narrators to Abi Jaâfar al-Baqir (MGB), âYou should not tax four things: slaughtering; burial; buying slaves; and traveling to Mecca.â