The United States Supreme Court held that a court may not imply an exception to ERISA's anti-alienability provision in cases where an employee has committed criminal acts against his employer.
Guidry v Sheet Metal Workers National Pension Fund, ___ US ___ , 110 S Ct 680 (1990).
Rodger L. Puz,
Alienability of Pension Benefits - Employee Retirement Income Security Act,
Duq. L. Rev.
Available at: https://dsc.duq.edu/dlr/vol29/iss1/9