Section 203B:8 - Rights and powers over trust property(a) A custodial trustee, acting in a fiduciary capacity, shall have all the rights and powers over custodial trust property which an unmarried adult owner has over individually owned property, but a custodial trustee may exercise such rights and powers in a fiduciary capacity only.(b) This section shall not relieve a custodial trustee from liability for a violation of section seven.Mass. Gen. Laws ch. 203B, § 8