Employee and Employer Contributions
The Aptiv Retirement Savings Plan likely includes both employee deferrals and employer-matching contributions. It’s common for employees to contribute a percentage of their salary, and the employer—“Unknown sponsor” in this case—may match a portion of those contributions.
A QDRO must clearly outline how both kinds of contributions are divided. If the employer contributions are subject to a vesting schedule, that must also be accounted for in the division—especially if the participant is not fully vested at the time of divorce.

