During the ‘Abbasid period (AD 750–945), an office responsible for managing reclaimed bribes from the outgoing faction in power.
Ijarah Revenue
Bai‘ bil barnamaj
Bai‘ al-qimah
Profit Sharing Cost Plus Model
Rabb al-salam
Asset ’ijarah bond
Daftar al-mufradat
Daman al-naqs
Back-to-back ’istisna‘
Al Muqasamah