(1) a written request for disclosure in physical or electronic form;
(2) an original or 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;
(3) a certification by the agent, under penalty of perjury, that the power of attorney is in effect; and
(4) if requested by the custodian:
(A) a number, username, address, or other unique subscriber or account identifier assigned by the custodian to identify the principal’s account; or
(B) evidence linking the account to the principal.