"Due to differences in the way liability was calculated, plans that were well or even fully-funded on an ongoing basis could have unfunded termination liability and 4062(e) liability under the PBGC's rules. Now plan underfunding will be measured under the ongoing rules used to determine whether variable rate premiums are due, and plans that are at least 90% funded under those rules are exempt. Instead of disproportionate funding of termination liability, a plan sponsor that has a Section 4062(e) event may elect to make additional contributions over those required by the minimum funding rules to fund unfunded vested benefits over seven years."  MORE >>