The sale of goods that are unknown or undetermined as to their quantity, especially foodstuffs. Such a sale is considered invalid until the goods have been received by the purchaser.
Service Ijarah Bonds
Mushrif
Ida at al-mal
Zakatable assets
Riba al-nasi'ah
Jahiliyyah
Al-‘ushr
Hawl
Al-falah
Al-muhtasib