Several companies have challenged the rule on the grounds that it violates their religious freedom, and federal appeals courts have split on the issue, which makes it likely that the court will step in.
The British government had challenged the rules, saying they went beyond the jurisdiction of the agency, the European Securities and Markets Authority, based in Paris.
Huge nationwide protests have challenged the long rule of President Hosni Mubarak, threatening to dislodge him.
But Judge Jaime Pieras of Federal District Court in San Juan, responding to the most recent of several lawsuits that have challenged the law, ruled on Aug. 29 that Puerto Ricans, as United States citizens, had the right to vote in a general election.
At the heart of her remarkableness is the fact that Tyler is one of very few authors to have challenged the usual rule among publishers and readers that most fiction is written (and reviewed) by men for men or by women for women.
A family whose disabled son's benefit was taken away while he was in hospital, have challenged the government rule.
The courts have challenged the FCC's previous rules, creating great legal uncertainty.
In public letters and interviews, seven have challenged the theocracy's political rules and rigid social strictures.
Age Concern and Help the Aged have challenged the default retirement age rules which enable companies and public sector employers to set a mandatory age at which staff must give up their jobs, even if they are able and willing to continue working.
Telecommunications companies have challenged the F.C.C.'s authority to adopt rules governing how Internet service providers manage their networks and enforce what is known as net neutrality.
