Article 2

For the purpose of this Regulation:

1. (a)

   ‘frontier’ means either an internal frontier within the Community or an external frontier, where carriage between Member States involves crossing a third country;

2. (b)

   ‘control’ means any check, inspection, verification or formality performed at the frontiers of Member States by the national authorities which signifies a stop or a restriction on the free movement of the vehicles or vessels concerned.