Question Summary:
Is selling land allowed when it is associated with a condition?

Question Detail:

I sold a land to somebody 11 years back with a condition that if the buyer cannot arrange regisration formalities within 1 year of sale , the buyer has to return the land to the seller and thet seller will return the money. But after 11 years the buyer come up with the request for registration of land. But the seller is not agreed to give the registration and asks for present market value of the land.
 
Can the seller do this?

Answer :

In the Name of Allah, the Most Gracious, the Most Merciful.
As-salāmu ‘alaykum wa-rahmatullāhi wa-barakātuh.
Due to the discrepancies and ambiguities in your query, we are not able to fully assess your situation and give you an adequate response. Please review the following points and reply back with further clarification on the matter:
(1) Why did the purchaser return to the seller after 11 years to register the land?
(2) You stated that the seller is now not agreeing to give the registration. If that is the case, then does this mean that the seller was able to register the land from the start?
Please forward your reply to the following email: admin@daruliftaa.net
And Allah Ta’āla Knows Best
Bilal Mohammad
Student Darul Iftaa
USA 
Checked and Approved by,
Mufti Ebrahim Desai.