Book 22. KITAB AL-ADAHI
(Sacrifices )

1. The proper time for sacrifice
2. Of what age the animal is to be sacrified
3. It is meritorious to sacrifice the animal with one's own hand and so is meritorious the recitation of Bismillah (in the name of Allah) and Takbir (Allah o-Akbar)
4. Permissibility of slaughtering the animal with anything which may make its blood flow except tooth, nail and bone
5. It was not permissible to eat the flesh of sacrificial animals beyond three days at the beginning of Islam, but this prohibition was abrogated, and now it is permissible
6. Sacrificing of Farat and 'Atira are Idolatrous practices
7. It is not permissible for one who intends to sacrifice the animal to get one's hair or nails cut after the beginning of Dhull-Hijja
8. It is forbidden to sacrifice the animal for anyone besides Allah, the Exalted, and curse upon one who does it