11. The airport was declared a Foreign Trade Zone ( FTZ ), allowing special customs procedures. 12. The airport is located in Foreign Trade Zone 221. 13. In November 2010, the foreign trade zone was expanded to eight Michigan counties including Isabella county. 14. During the late 1980s the McAllen Foreign Trade Zone was an important general-purpose foreign trade zone . 15. The airport is designated a Foreign Trade Zone . 16. During the late 1980s the McAllen Foreign Trade Zone was an important general-purpose foreign trade zone. 17. South Florida Logistics Center is an approved magnet site for Foreign Trade Zone No . 281. 18. They achieved Foreign Trade Zone status in 1990. 19. Many of the maritime and distribution facilities along the bay are part of Foreign Trade Zone 49 20. Along with Millville Municipal Airport, portions of the port have been part of foreign trade zone # 142 since 1987.