11. Duty-free sales will continue for people flying between EU nations and other countries. 12. The EU plans to eliminate all EU duty-free sales June 30, 1999. 13. The sanctions prohibit the free sale of the country's economic mainstay, oil. 14. A : The free sale of oil, Iraq's main source of revenue. 15. For travelers in an out of the EU, duty-free sales are unaffected. 16. For travelers in and out of the EU, duty-free sales are unaffected. 17. The decision to end duty free sales must be made unanimously by all 15 EU governments. 18. Under the abolition plan, only duty-free sales within the EU will be banned. 19. But the European Commission is not changing its mind about duty-free sales , officials said. 20. Germany, Britain and France are keen to revise the 1991 decision to end duty free sales .