The TGCA is a tax applicable on the entire territory of the Community of St. Martin in the French West Indies since August 1, 2010. It is due to local economic operations , including sales and services. Are involved all stakeholders in the economy of the island, businesses, commerce and the professions. The amount of 4% on sales is donated to the Community in order to enable it to increase the budget and finances. It is always charged . Are exempt import of goods , sales of prescription drugs, bread, water supply, and the goods when exported from the island except on the Dutch side that remains taxable.