And that the “Parties shall endeavour, where appropriate, to review the non-conforming measures and reservations set out in Annexes 19, 20, (i.e. the schedule of commitments of the parties for services, via their negative lists), 21 (Short-term business visitors) and 22 (CSS and IP) and the activities for short- term business visitors set out in Annex 21, with a view to agreeing to possible improvements in their mutual interest.