In most cases, the abolition of checks was only made possible by the adoption and application of Community measures harmonising the rules on movement and placement on the market (particularly as regards product safety) and, where applicable, by shifting the place where controls and formalities are conducted within the Member States or their markets (in particular as regards VAT and excise duties, veterinary and planthealth checks, and the collection of statistics).
Από τεχνική άποψη, οι προσαρμογές τιον κανονισμιιόν όσον αφορά την ελεύθερη κυκλοφορία των πρoσo'JπoJv είναι εφικτές μεσοπρόθεσμια.