(e) provide confidential information to an official or any person employed by or representing the government of a foreign state, an international organization established by the governments of states, a community of states, or an institution of any such government or organization, in accordance with an international convention, agreement or other written arrangement relating to trade between the Government of Canada or an institution of the Government of Canada and the government of the foreign state, the organization, the community or the institution, solely for the purposes set out in that arrangement;