What is the ruling if the option is stipulated until harvest time (hisad) or fruit-picking time (jadhādh)?
Chapter on the Option of the Two Parties in Sale
Al-Mughni
Book of Sales
Primary text
It is possible that stipulating the option until harvest or fruit-picking time is like tying it to the arrival of Zayd, as these times vary, advance, or delay, making the duration uncertain and invalid. However, it is also possible that it is valid because these periods tend to be close in customary time, and their variation is not extensive.
Supporting text
If the option is stipulated until the time of the public allowance ('ata'), and the intended meaning is the known time of the allowance distribution, it is valid, similar to stipulation until a known day. If the intent is the allowance payment itself, it is unknown and thus invalid because the timing varies.