Maryland § 15-608

§ 15-608.

    To the extent that a power of attorney expressly grants an agent authority over the content of electronic communications sent or received by the principal and unless directed otherwise by the principal or a court, a custodian shall disclose to the agent the content if the agent provides the custodian:

        (1)    A written request for disclosure in a physical or electronic form;

        (2)    An original or copy of the power of attorney expressly granting the agent authority over the content of electronic communications 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:

            (i)    A number, username, address, or other unique subscriber or account identifier assigned by the custodian to identify the principal’s account; or

            (ii)    Evidence linking the account to the principal.