In ‘Abbasid Iraq (AD 750–945), an official of the tax department who worked for the jahbadh.
Al-tijarah al-gha’ibah
Al-khatt
Al-naqd
Al-mujamalah
Al-ijma
Aqd
Al-ghallah
Al-dain al-qawi
Ariyah
Al-dinar al-aini