Children in detention have the right to prompt access to legal and other appropriate assistance, and the right to challenge the legality of their detention before a court or other independent body.
Fannie and Freddie could face additional losses as a growing number of homeowners challenge the legality of foreclosures, citing evidence that some mortgage service firms have not complied with the legal requirements to seize a home.
Instead, in a legally ambiguous situation, the governor has permitted his attorney general to challenge the legality of the efforts of Atlantic City's responsible and courageous public officials.
America itself could challenge the legality of European tax systems in the WTO.
And the Democrats will challenge the legality of the whole election.
It has even been used to challenge the legality of certain voting systems.
Mr Estrada has gone to court to challenge the legality of his dismissal, but in vain.
Mr. Schey said he intended to challenge the legality of the adoption.
His family is pressing a court in Dublin to challenge the legality of loans that Anglo Irish made to him.
Disgruntled creditors could challenge the legality of prioritising interest payments; populists could demand that Chinese bondholders be paid last, not first.
The refugees mentioned by the committee on Thursday appealed to the United Nations, saying they were unable to challenge the legality of their detention in Australian courts.
