From the House Committee on Ways and Means, “Comprehensive Pension Bill Clears the House Bill to Bolster Retirement Security Now Moves to the Senate“:
Today, the U.S. House of Representatives approved H.R. 4, the Pension Protection Act of 2006, by a vote of 279-131. This critical piece of legislation reflects months of negotiations between the House and Senate. . .
More links here.
See also this recent article from CCH: “House passes comprehensive pension reform bill.”
UPDATE: A good summary of the legislation is here.