2. For purposes of paragraph 1 of this Article, the Partner States shall: (a) afford each other mutual assistance with a view to preventing, repressing and investigating customs offences; (b) exchange information on goods and publications known to be the subject of illicit traffic and maintain special surveillance over the movement of such goods and publications; and (c) consult each other on the establishment of common border posts and take steps as may be deemed appropriate to ensure that goods exported or imported through common frontiers pass through the competent and recognised customs offices and along approved routes. 3. The implementation of this Part of the Protocol shall be in accordance with the provisions of the customs law of the Community. 13