N.Y. Estates, Powers & Trusts Law § 13-A-4.1
(a) The legal duties imposed on a fiduciary charged with managing tangible property apply to the management of digital assets, including:
(b) A fiduciary's or designated recipient's authority with respect to a digital asset of a user:
(e) A fiduciary with authority over the tangible, personal property of a decedent, ward, principal, or settlor;
(g) A fiduciary of a user may request a custodian to terminate the user's account. A request for termination must be in writing, in either physical or electronic form, and accompanied by:
(3) if requested by the custodian: