Vesting Schedules
One key issue in dividing a 401(k) plan is the employer’s contribution and the associated vesting schedule. You might see a situation where the employee is fully vested in their own contributions but only partially vested in the company match. The QDRO must account for the status at the valuation date (the cutoff point, usually the date of separation or divorce).
Unvested amounts are often overlooked. If your former spouse isn’t 100% vested at the time of division, you could end up receiving far less than expected unless your QDRO clearly states how to treat these contributions.

