Davlatning barcha daromadlari Bayt al-Mol'da to'planadi, u yerdan davlatning turli vazifalari moliyalashtiriladi. Mablag' ajratiladigan masalalar esa barchasi Xalifaning fikri va uning ijtihodi bilan hal etiladi.

All of the revenues of the State are collected in the Bait al-Mal, from where the various functions of the State are funded.The matters for which the funds are allocated are all decided by the view of the Khaleefah and his ijtehad.

Bayt al-Mol xarajatlari quyidagi oltita toifa atrofida markazlashgan:

The expenditure of the Bait al-Mal is centred around the following six categories :

Bayt al-Mol'da zakot pullari to'planadigan alohida hisob mavjud. Zakot mablag'laridan foydalanishga haqli sakkiz toifadagi kishilar aynan shu hisobdan ta'minlanadi.

The Bait al-Mal has a special account in which the money of zakat is collected. The eight categories of people entitled to partake of the zakat funds are supplied from this account.