What is the ruling on a bank authorizing a client to conduct a Musawamah sale, whereby the client purchases shares on behalf of the bank, and then the bank sells them to the client in installments with an added profit, given that this authorization is a necessity?

The bank's authorization of the client who orders the purchase to buy the commodity that is ordered, when there is an urgent need, is permissible. The basic principle is that the institution should purchase the commodity itself. It is permissible for the institution to authorize someone other than the ordering client. However, resorting to authorizing the client should only occur in cases of urgent necessity. The agent should not sell to himself; rather, the institution sells the item after acquiring ownership of it.