Is the option established in contracts completely permissible for both parties, such as partnership, profit-sharing (mudharabah), remuneration contracts (ju'alah), agency (wakalah), safekeeping (wadi'ah), and bequest (wasiyyah)?
Chapter on the Option of the Two Parties in Sale
Al-Mughni
Book of Sales
Primary text
The option is not established in contracts completely permissible for both parties, such as partnership, mudharabah, ju'alah, wakalah, wadi'ah, and wasiyyah. This is because their permissibility and the ability to revoke them by their very nature suffice.