The most fertile lands of fourteenth century Spain procured by the sultan. The agricultural proceeds were the property of the ruler.
Al-kurr al-mu‘addal
Al-‘adadiyat
Al-ma’un
Al-mustaghallat
Al-ruq‘ah
Al-mudarabah al-mutlaqah
Al-fakkak
Al-‘adl
Al-musinnah
Agreement for Promotion, Protection and Guarantee of Investments among Member States of the Islamic Conference