An office set up by early ‘Abbasids (AD 750–945) to act as agent for collection of all revenues and taxes from the agricultural lands of Iraq.
Diwan al-ma
Fi sabil Allah
Diwan al-dai'ah
Daya
Thaman al-mithl
Two-tier ’istisna‘
Foreign Currency Bonds
Commingled Mudarabah
Diwan al-azimmah
Fiqh