The key question is who provides the material. In Istisna, the manufacturer provides the material and produces the finished item.
If the customer supplies the material and the worker only provides labour and skill, the transaction is service hiring (إجارة), not Istisna. Giving your own cloth to a tailor and paying only for stitching is the simple example.
Opening interactive controls...
Manufacturing/Construction Sale (استصناع): Financing Something Yet to Be Built
The key question is who provides the material. In Istisna, the manufacturer provides the material and produces the finished item.
If the customer supplies the material and the worker only provides labour and skill, the transaction is service hiring (إجارة), not Istisna. Giving your own cloth to a tailor and paying only for stitching is the simple example.