Ministers have concluded that if they want to stop Romanians and Bulgarians getting some forms of welfare they may have to stop some Britons getting them too.
That means shipowners who wish to ply these waters will have to stop using bunker fuel (the cheap stuff left over once petrol, diesel and aviation fuel have been distilled from crude oil) to power their vessels because burning it produces too much sulphur dioxide, nitrogen oxides and soot.
Campaign group Dignity in Dying said Mr Martin, from Nottinghamshire, should not have had to stop eating to have control over the end of his life.
But at some point you have to stop and think about what the next steps are.
Think about it, you never have to stop playing for more than a few seconds!
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It's not fair that you have to stop doing your job to go to a march.
Some can't tolerate the flulike side effects and have to stop the treatment early.
But the country will have to stop paying someone: perhaps pensioners, or government suppliers, or soldiers.
So there are some safety reasons why they might have to stop from time to time.
For a traditional IRA, contributions have to stop after age 70 and a half.
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Ultimately, says Mr Donahoe, the post will have to stop delivering mail on Saturdays.
People have to stop apologizing for the past and start building great companies in Detroit.
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"We have to stop the bleeding here and get back to what made us successful, " he said.
Of course, then Microsoft would have to stop making fun of iPads not being able to run Powerpoint.
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So like I said to the young lady with the dilemma, you have to stop applying for jobs.
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Then again, McBain argues, if parents want to spend the money, what right do we have to stop them?
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You're going to have to stop worrying and learn to love the battery.
People will just have to stop daydreaming about retiring at 42, that's all.
If the firewall stopped this one, it would have to stop them all and that would disable your business.
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First of all, you have to stop thinking of apps as another opportunity to direct market to your customers.
New prisoners coming in after a year, however, will have to stop immediately.
So I have to stop talking so that you can watch the surprise.
To make further progress, we have to stop pretending that cutting this kind of spending alone will be enough.
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Unless the country made progress on these within a year, the Bank said, it might have to stop investing there.
But if newly created European champions are to thrive, the politicians will also have to stop obstructing three other reforms.
Always calculate your downside risk and have a stop in place in the event WPRT does not play out as anticipated.
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To make it work better, he thinks the Scottish trust will have to stop seeing properties as liabilities rather than opportunities.
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