"The Government has asked retailers to comment "
Wouldn't it do better to start by asking consumers?
How many banks and building societies are going to come up with useful examples of unfair practices that should be prohibited, like paying lower interest rates to existing customers.
How many insurance companies will suggest that renewing customers should never be asked to pay more than new customers?
There are countless examples of blatantly unfair business practices such as the above, and if any legislation is to have any teeth it has got to start by identifying them and ensuring that those practices will be STAMPED OUT, not merely dressed up with legislation that allow the perpetrators to clarify their wording in a manner which preserves the legality of the unfair practice instead of preventing it altogether.