Do banks need a certified copy of the trust to set up an account or will just a copy suffice?
Some state laws require that certain types of trust agreements, typically those that involve real estate, be officially recorded with the registry of deeds or similar office. Your bank might want evidence of that recording, where required.
Otherwise, there isn't much benefit to be had from reviewing a certified copy over a generic copy. The bank still needs to satisfy itself that the trust actually exists, and will often require, in addition, that the identities of the trustee or trustees be verified.
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