The issue is of particular concern to utilities in the Southeast, like Southern, which argue that there is simply not enough wind energy in the region to warrant a mandatory standard for renewables.

FORBES: Tilting At Windmills

It's a mandatory fuel standard.

NPR: President Bush's Remarks on the World Agenda

In particular, the questions about mandatory licensing, the standard of living, the definition of monopoly, and free trade do not specifically challenge leftist sensibilities.

WSJ: Daniel Klein: Are You Smarter Than a Fifth Grader?

Once adopted as a standard, such devices become virtually mandatory because doctors can also be sued for not using them.

FORBES: Defensive Medicine

Auditing the Fed, replacing Fed monetary policy discretion with a mandatory price rule governing policy, even the gold standard, Nobel Laureate Friedreich Hayek pushed the envelope beyond all of these.

FORBES: Rethinking Money: The Rise Of Hayek's Private Competing Currencies

From 2015 EU countries have to ensure their beaches meet at least the "sufficient" standard, which is a step up for the existing mandatory level.

BBC: NEWS | UK | England | Devon | Concern over who pays for beaches

American delegates to U.N. climate talks have long argued that such a framework creates an unfair double standard, and have refused to ratify the treaty unless it also imposes mandatory emissions cuts on rising superpowers such as China, India and Brazil.

FORBES: It's Crunch Time For Kyoto