In addition to the methods of termination prescribed by §§ 14.5–410 through 14.5–412 of this subtitle, a trust terminates to the extent: The trust is revoked or expires in accordance with the terms of the trust; or The purposes of the trust have become unlawful, contrary to public policy, or impossible to achieve. A proceeding to approve or disapprove a proposed modification or termination under §§ 14.5–410 through 14.5–414 of this subtitle, or combination or division of a trust under § 14.5–415 of this subtitle, may be commenced by a trustee or beneficiary.