Letter to Barnier from Frost does not hold back: “Your text contains novel and unbalanced proposals which would bind this country to EU law or standards, and would prescribe the institutions which we would need to establish to deliver on these provisions...
... To take a particularly egregious example, your text would require the UK simply to accept EU state aid rules; would enable the EU, and only the EU, to put tariffs on trade with the UK if we breached those rules; and would require us to accept an enforcement mechanism...
which gives a specific role to the European Court of Justice. You must see that this is simply not a provision any democratic country could sign”... worth a read in full: assets.publishing.service.gov.uk/government/upl…
