A supreme audit office established by ‘Abbasids (AD 750–945) to control and check the accounts of other diwans. This was also termed as diwan zimam al-azimmah.
Bai‘ ’istighlal
Bai‘ al-muwasafah
Mutawalli
Fard kifayah
Murabahah
Janab
Hibah
Al-iqtisad
Bai‘ al-fuduli
Nizam al-muqasamah