Customs ensures the mission of protection through the surveillance of foreign trade. In so doing, goods that cross borders are subjected to duties and taxes. Taxes’ rate is adjusted so that local products could be competitive. Customs also are watchful to the respect of loyal tradepractice. For example they fight against dumping. Statistic Data: by elaborating customs statistics, the Administration has authorized to economic operators to proceed to the market analysis. Customs allows also to the public institutions to getting precise information about foreign trade. Boosting economic activities via mechanisms of suspended duties; the customs contributes to the dynamic of national economic activity by making easier exchanges. That is to offer to the economic operators the chance to benefit from advantages related to customs economic or specific regimes.