New York Laws
Part 3 - Disclosure of Digital Assets to Fiduciary
13-A-3.4 - Disclosure of Other Digital Assets of Principal

(a) a written request for disclosure in physical or electronic form;
(b) a copy of the power of attorney that gives the agent specific
authority over digital assets or general authority to act on behalf of
the principal;
(c) an affidavit in which the affiant attests that the copy is an
accurate copy of the original power of attorney and that, to the best of
the affiant's knowledge, the power remains in effect; and
(d) if requested by the custodian:
(1) a number, username, address, or other unique subscriber or account
identifier assigned by the custodian to identify the principal's
account; or
(2) evidence linking the account to the principal.