Originating goods shall be eligible for Community treatment, in accordance with the provision of Annex I of this Protocol. Article 13 CO-OPERATION IN CUSTOMS MATTERS Member States shall, as provided for in Annex II of this Protocol, take appropriate measures, including arrangements regarding Customs administration co-operation, to ensure that the provisions of this Protocol are effectively and harmoniously applied. Article 14 TRADE FACILITATION Member States shall, as provided for in Annex III of this Protocol, take such measures as are necessary to facilitate the simplification and harmonization of trade documentation and procedures. Article 15 TRANSIT TRADE Products imported into, or exported from, a Member State shall, as provided for in Annex IV of this Protocol, enjoy freedom of transit within the Community and shall only be subject to the payment of the normal rates for services rendered. PART FOUR