Wyo. Stat. § 2-3-1009: Disclosure of content of electronic communications of a principal.

(a) To the extent a power of attorney expressly grants an agent authority over the content of electronic communications sent or received by a principal and unless otherwise directed by a court order or the principal as specified in W.S. 2-3-1004, a custodian shall disclose to the agent the content of electronic communications sent or received by the principal if the agent provides the custodian with the following:

(i) A request for disclosure in written or electronic form;

(ii) An original or copy of the power of attorney expressly granting the agent authority over the content of electronic communications of the principal;

(iii) A certification by the agent, under penalty of perjury, that the power of attorney is in effect; and

(iv) 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.