5. How it affects partners.
6. On gold and silver.
7. On grain-stuff.
8. On merchandise.
9. The conditions and nature of the rate to be paid at the end of the fast.
10. Uses to which the rate may be applied.
Book IV. Of the Fast
1. The conditions for the fast (siyam); its description; what breaks it.
2. What is meritorious in fasting; when and for whom it is forbidden; how breaking the fast must be expiated.
3. The conditions and nature of religious retreat (i‘tikaf).