Asa'ari

The Ottoman Empire stood above Sharia’s Islam, which at first was only a sultanate and then its power expanded to the gates of Vienna (Austria), the North African region, Arabia and its territory to Aceh Darussalam. The Legal Capitulation Treaty was favorable in the heyday, because traders were stimulated to carry out activities in the Ottoman ports, especially in Istanbul. Significant increase in the country's foreign exchange, so that large activities are carried out without any monetary shock. After a leadership crisis, this legal capitulation agreement has been fruitful.

Ba'i al-Wafa` first appeared in Central Asia, especially Bukhara and Balkh around the 5th century AH in order to avoid usury in borrowing. Many of the rich when it is not willing to lend money without any remuneration they receive. While many of the borrowers are not able to pay off debts due in return they have to pay along with money borrowed. On the other hand benefits granted on the basis of borrowing money, according to scholars of fiqh including usury. So to avoid usury, the community of Bukhara and Balkh formatting a form of trading known as alWafa` Bai'u.

The renewal carried out by Umar bin Abdul Aziz in the judiciary is the Mazhalim court, whose object is the rulers, his family and himself. In this way the Mazhalim court initiated by Abdul Malik Bin Marwan has been very effective. Umar bin Abdul Aziz said "the implementation of hudud is the same as the implementation of other Shari'ah without exception but when it comes to eliminating the life of someone Umar bin Abdul Aziz ordered the Governors of all regions to seek his approval first.