D.C. Code § 19-1906
§ 19-1906. Reasonable reliance.
A trustee or other person that reasonably relies on the validity of a distribution of part or all of the property of a trust to another trust, or a modification of a trust, under this chapter , law of the District other than this chapter, or the law of another jurisdiction is not liable to any person for any action or failure to act as a result of the reliance.