sure you are allowed to say it, and then you know what is coming
So would that mean a pay 23% on buying a house, or since a house is not new, it would be exempted? Same with a car, a new car 23%, a used car 0. Much to learn, but it does not sound like a very good idea.
I could see a huge black market arising, avoiding the tax. Even become a society using cash again, instead of cards.