A. A spendthrift provision is valid only if it restrains either voluntary or involuntary transfer of a beneficiary's interest.
B. A term of a trust providing that the interest of a beneficiary is held subject to a spendthrift trust, or words of similar import, is sufficient to restrain both voluntary and involuntary transfer of the beneficiary's interest.
C. A beneficiary may not transfer an interest in a trust in violation of a valid spendthrift provision and, except as otherwise provided in this article, a creditor or assignee of the beneficiary may not attach, garnish, execute on or otherwise reach the interest or a distribution by the trustee before its receipt by the beneficiary.