Yet they can't offer this same benefit in adjacent states because of U.S. regulation.

WSJ: Christensen, Flier and Vijayaraghavan:The Coming Failure of 'Accountable Care'

But even among adjacent states, licensing requirements tend to be very different.

FORBES: Worker's Permit

They are exploring plant sites for processing the ore in the United States adjacent to a chemical facility that produces hydrochloric acid.

FORBES: Avalon Rare Metals Announces Shelf Registration

In an effort to tackle the drought which was parching the rivers and their adjacent wetlands, it took control of the basin's water from the states and gave it to the newly established Murray-Darling Basin Authority.

ECONOMIST: Australia's water war

It reports that by June 2011 about half of Mr Obama's travelling days had been spent in key electoral states containing just over a third of the population (the study excludes Maryland and Virginia, adjacent to Washington, DC).

ECONOMIST: Lexington

Following the devastating tsunami of 26 December 2004 in the Indian Ocean, the IOC Member States requested that similar warning systems be developed for the Indian Ocean, the Caribbean Sea and adjacent regions as well as the northeast Atlantic, the Mediterranean and connected seas.

UNESCO: EDUCATION