Wash. Rev. Code § 11.120.100
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 catalogue of electronic communications sent or received by the principal and digital assets, other than the content of electronic communications of the principal, if the agent gives the custodian:
(4) If requested by the custodian:
[ 2016 c 140 s 10.]