A trustee who acted in good faith reliance on the terms of a written governing instrument is not liable to a beneficiary for a breach of trust to the extent the breach resulted from the reliance.
Del. Code tit. 12, § 3586
Reliance on governing instrument
72 Del
Official source: Delaware Code Online. Reproduced from public-domain Delaware statutes; confirm against the official source for the current text. Not legal advice.