Employee and Employer Contributions
Contributions made by the employee are always considered marital or separate depending on when they were made. But employer contributions can be tricky. If the employer contributes company funds, those might be subject to a vesting schedule.
This means the alternate payee (ex-spouse) might not be entitled to the full employer match unless those contributions were fully vested before the marriage ended. You’ll want to make sure your QDRO clearly separates pre- and post-marital amounts and specifies whether only vested balances are included in the division.

