; and (2) for which a copyright claims attorney shall review the claim and determine whether the case shall be heard by one officer or the Board. (z) A claimant may request the Board to issue a subpoena to a service provider for identification of an alleged infringer of claimant’s copyrighted work. The Copyright Office shall promulgate regulations governing, at minimum, the issuance of the subpoena, the contents of the request, the contents of the subpoena, and the obligations of a service provider who is issued a subpoena. The regulations shall further require that the claimant seeking the subpoena must make a sworn declaration to the effect that the purpose for which the subpoena is sought is to obtain the identity of an alleged infringer and that such information will only be used for the purpose of protecting rights under this Act. Such subpoenas shall be enforceable by the United States District Court for the District of Columbia. 1406. Effect of proceeding (a) Determination Subject to the reconsideration and review processes afforded by sections 1405(v) and 1405(w), respectively, and section 1407(c), the rendering of a final determination by the Copyright Claims Board in a proceeding, including a default determination or determination based on failure to prosecute, shall, solely with respect to the parties to such determination, preclude relitigation before any court or tribunal, or before the Copyright Claims Board, of the claims and counterclaims asserted and finally determined by such determination, and may be relied upon for such purpose in a future action or proceeding arising from the same specific activity or activities: Provided, however , That— (1) a determination of the Copyright Claims Board shall not preclude litigation or relitigation as between the same or different parties before any court or tribunal, or the Copyright Claims Board, of the same or similar issues of fact or law in connection with claims or counterclaims not asserted and finally determined by the determination of the Copyright