If both parties agree to avoid tax after two years, then the only way to protect their respective rights and interests is to go to the notary office for notarization, agree on the payment methods of both parties, and then register the transfer after two to five years.

Or the two sides signed an agreement privately, agreeing to transfer ownership after two or five years, but notarization is more binding.

In addition, some people from the local taxation bureau will also go through the back door. Go to your local taxation bureau to see if there is an intermediary outside, and you can give a little money to reduce or even exempt business tax.