Apparently the impact assessments do not exist;
http://www.bbc.co.uk/news/uk-politics-42249854. Not only are the negotiating team incompetent and inept it would appear is if they are unprepared.
"Committee chairman Hilary Benn asked whether impact assessments had been carried into various parts of the economy, listing the automotive, aerospace and financial sectors.
"I think the answer's going to be no to all of them," Mr Davis responded.
When Mr Benn suggested this was "strange", the minister said formal assessments were not needed to know that "regulatory hurdles" would have an impact.
"I am not a fan of economic models because they have all proven wrong," he added."
Yeah, let's just wing it Dave! It's worked so well up until now! Unbelievable! But not to worry bumbling Brexit buffoon BoJo is urging the EU to just get on it with it as it will all be magically ok if we start trade talks;
http://www.bbc.co.uk/news/uk-politics-42249850