Ruling 2062. Some disapproved transactions are as follows:

1. selling real estate, unless one buys another real estate with the money acquired from the transaction;
2. to be a butcher;
3. selling shrouds (kafans);
4. transactions with people of low character;
5. transactions between the start of the time for the morning (ṣubḥ) prayer and sunrise;
6. making one’s profession the buying and selling of wheat, barley, and suchlike;
7. intervening in someone else’s transaction in order to buy the goods that the other person wishes to buy.