An obscure constitutional provision also means the Senate must convene regularly throughout the summer.

An obscure provision in it appears to give foreigners the right to sue in federal court over violations of international law.

In addition, the agency said that the site would not qualify for a state cleanup because of an obscure provision in the state's Superfund law.

Among the very last questions on the table was an obscure provision limiting the Environmental Protection Agency's powers.

Exactly zero, thanks to an obscure provision of the tax code called Section 1042, enacted in 1984.

But broad new powers are also contained in more obscure provisions.

Google is being driven to disclose basic financial details of its operations next week by an obscure provision of securities law.

Inevitably, politicians and their supporters have now also found ways to use obscure provisions of the income tax code to hide huge campaign contributions.

Congress members insert deliberately obscure provisions into unrelated legislation to provide money for favored educational institutions.

Our obscure but important "opt out" provision, under which patients could get off the list, has been erased.