Vesting and Forfeiture of Employer Contributions
One issue that often comes up in 401(k) divisions is the vesting schedule for employer contributions. While employee contributions are always 100% vested, employer contributions may be subject to a vesting schedule. If you’re the alternate payee, be cautious when dividing the account based on total balance alone—some of that money may not be legally yours to claim if it’s unvested.
Make sure your QDRO distinguishes between vested and unvested funds. Any portion of the account that is not yet vested could be forfeited if the employee leaves the job before meeting the vesting requirements.

