Dubai had another presence on the floor, at the Sands Convention Center, where the Dubai Airport Free Zone Authority, Jebel Ali Free Zone Authority and Dubai's Internet City banded together to promote Dubai as a business haven.

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Although the notionally independent free zone authority will regulate Saadiyat under a clear and exhaustive set of rules, it has yet to prove itself.

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The island is part of a free-trade zone under Iranian authority.

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In this recreation zone, the public can launch a kayak, canoe or other nonmotorized boat without a permit or cost, said spokesman Dash Stolarz of the Mountains Recreation and Conservation Authority, which manages the pilot recreation zone.

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"You are talking about a zone where there is no real authority, " a senior European defense official said.

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And today -- to answer the second part of your question -- today, as I speak, the authority -- command and control authority for the enforcement of the no-fly zone is being shifted to NATO.

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Joining the government three years ago as head of the Unique Identification Authority of India was a big shift from my comfort zone.

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The Greek crisis only confirms the folly of binding a group of disparate countries together in a currency zone with no mechanism, such as a central fiscal authority, to address its internal imbalances.

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Working out of an office studded with time-zone clocks in Newton, Massachusetts, Stephen Davis has become an authority on corporate governance issues around the world.

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The high-resolution picture is of the Rio San Pablo, an ecological transition zone that's marked as a protected area by the National Environment Authority of Panama.

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