1.  Creditor may not compel distribution.  Whether or not a trust contains a spendthrift provision, a creditor of a beneficiary may not compel a distribution that is subject to the trustee's discretion, even if:  

2.  Right of beneficiary not limited.  This section does not limit the right of a beneficiary to maintain a judicial proceeding against a trustee for failure to exercise a discretionary power in accordance with the terms and purposes of the trust or for failure to comply with a standard for distribution.  

3.  Creditor limited.  If a trustee's or cotrustee's discretion to make distributions for the trustee's or cotrustee's own benefit is limited by an ascertainable standard, a creditor may not reach or compel distribution of the beneficial interest except to the extent the interest would be subject to the creditor's claim were the beneficiary not acting as trustee or cotrustee.