My earlier annotation of the transition period clauses (not including the new extension clause) here: eulawanalysis.blogspot.com/2018/03/a-brid…
a) an outline of the future relationship declaration, not fully agreed yet: ec.europa.eu/commission/sit…
b) a joint report on the negotiations: ec.europa.eu/commission/sit…
More comments after dinner...
a) trade in goods between EU/UK/non-EU states
b) customs cooperation
c) level playing field - includes tax, environment, labour law, state aid, competition, public companies/monopolies
On CJEU jurisdiction over cases from UK courts, UK won: this only applies if UK court asked CJEU before end of transition