Employee and Employer Contributions
Typically, 401(k) plans include salary deferrals contributed by the employee and matching or discretionary contributions from the employer. Your QDRO must spell out whether the alternate payee will receive a share of just the employee’s contributions—or both employee and employer portions. Be clear on what is and isn’t marital property in your state.
Also check whether employer contributions have vested. If an employee leaves the company before meeting certain time milestones, some or all employer contributions may not vest—meaning they can’t be divided in the QDRO.

