1. (1) a written request for disclosure in physical or electronic form;
2. (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. (3) a certification by the agent, under penalty of perjury, that the power of attorney is in effect under section 5606 (relating to proof of continuance of powers of attorney by affidavit); and

4. (4) if requested by the custodian:

   1. (i) any number, username, address or other unique subscriber or account identifier assigned by the custodian to identify the principal's account; or
   2. (ii) evidence linking the account to the principal.

Unless otherwise ordered by the court, directed by the principal or provided by a power of attorney, a custodian shall disclose to an agent with specific authority over digital assets or general authority to act on behalf of a principal a catalog of electronic communications sent or received by the principal and any digital assets other than the content of electronic communications of the principal if the agent gives the custodian:

Cross References. Section 3910 is referred to in section 3916 of this title.