In addition, most industries in the region continue to generate water pollution, as enforcement of relevant regulations lags behind.

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At the time, Huawei's chief spokesman had said the company was committed to complying with "all U.N. economic sanctions, Chinese regulations and applicable national regulations on export control" and said it believed its Iran businesses met the relevant regulations.

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For example, should companies be forced to pay for the clean-up of contaminated land, even though they polluted the land long before the relevant environmental regulations were in place?

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Each agency has its own standard operating procedures and rules and regulations, including the ones that would appear relevant to this case.

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In fact, complying with regulations is among four challenges that ADP identified as especially relevant to small businesses.

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