F1TITLE IVCUSTOMS-APPROVED TREATMENT OR USEF1CHAPTER 3OTHER TYPES OF CUSTOMS-APPROVED TREATMENT OR USEF1Section 1Free zones and free warehousesF1C.Operation of free zones and free warehousesF1Article 175. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .