University graduate Cait Reilly's successful appeal was made by Lord Justice Pill, Lady Justice Black and Sir Stanley Burnton.
In November 2011, Miss Reilly had to leave her voluntary work at a local museum and work unpaid at the Poundland store in Kings Heath, Birmingham, under a scheme known as the "sector-based work academy".
She was told that if she did not carry out the work placement she would lose her jobseeker's allowance.
For two weeks she stacked shelves and cleaned floors.
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The deputy sheriff stood outside Marjory Douglas Stoneman school, watching the western entrance of the school for more than four minutes.
The day will feel cold, especially along the east coast where there is also a small chance of catching the odd wintry shower.