law” where Davis elected to take the federal exemptions. We exercise plenary review over conclusions of law reached by the Bankruptcy and District Courts, and we review findings of fact for clear error. Landon, v. Hunt, 977 F.2d 829 (3d Cir.1992); Bankruptcy Rule 8013. III. We begin with the language of § 541(c)(2), which provides: “A restriction on the transfer of a beneficial interest of the debtor in a trust that is enforceable under applicable nonbankruptcy law is enforceable in a case under this title.” 11 U.S.C. § 541(c)(2). This provision has been held to exclude from property of the estate a debtor’s beneficial interest in a trust that, under nonbankruptcy law, is not subject to alienation. See Patterson v. Shumate, 504 U.S. 753, 758, 112 S.Ct. 2242, 119 L.Ed.2d 519 (1992) (<HOLDING>). While not limited to “spendthrift” trusts, as
holding that a debtors interest in an erisaqualified employercontrolled stock bonus and profit sharing retirement trust was excluded from the debtors estate pursuant to 11 usc  541c2 and applicable state spendthrift trust law where the plan involved no active participation by the employee where the plan included a statutorily required antialienation provision and where the plan precluded borrowing and withdrawals by the debtor except on the debtors death termination of employment disability retirement or termination of the plan holding that the family courts award to exwife of interest in 387 of debtors military pension payable directly from the plan was not subject to discharge because interest in pension plan was not a debt rather it was considered exwifes separate ownership interest holding that a debtors interest in an erisaqualified plan was excluded under  541c2 holding that an antiassignment clause in a pension plan is valid under  541c2 and that the pension benefits thus do not become property of the estate and may not be made subject to a pay order under section 1325c holding that a debtors interest in a noneviction plan lease under the martin act is property of the estate