Why is there a charge for renaming a property?

There is a charge for renaming a property. Normal transfer, sales tax business tax, according to the new real estate policy, business tax is levied in full on non-ordinary houses that have not been purchased for five years, and business tax is levied on non-ordinary houses that have been purchased for more than five years or ordinary houses that have not been purchased for five years according to the difference between the two sales.