Compulsory charity such as zakah, sadaqah al-fitr, etc. It also includes penal charity for such sins as breaking of oath, breaking of fast, etc.
Ihya al-tamlik
Al ’aqrab fal ’aqrab
Diwan al-sawafi
Al-‘adadiyat
Al-ghunm bi al-ghurm
Bay` al-kali bi-kali
Al-‘ushr
Al-muqata‘ah
Al-Infaq al-tatawwu
Al-kailjah