Can an employer amend their tiered-vesting match to give immediate 100% vesting to only actively employed participants' balances? Put another way, can an employer make all match balances for only active employees 100% vested, while keeping termed participants on the existing tiered vesting schedule? Note this full vesting would be on existing balances as well as future match contributions for active employees. I'm a bit rusty on protected benefits but don't immediately see where any accrued non-forfeitable benefits are being reduced in any way. Any insights and guidance are most appreciated, as always!! Thanks!