Once the notice of arbitration has been received by the respond- ent, each of the disputing parties shall promptly communicate a copy of the notice of arbitration to the repository referred to under
. Upon receipt of the notice of arbitration from the respondent, or upon receipt of the notice of arbitration and a record of its transmission to the respondent, the repository shall promptly make available to the public information regarding the name of the disputing parties, the economic sector involved and the treaty under which the claim is being made.