Both parties negotiate and confirm the issues which are not addressed in this agreement in a written supplemental agreement.
President Clinton supports the North American Free Trade Agreement, but is interested in negotiating supplemental agreements on environmental issues and labor standards.
According to the Third, "Chen will be" cross-strait air transport signed a supplemental agreement, the two sides agreed to open a second southbound lane and northbound lane two-way direct air route.
All pending issues shall be regulated by the supplemental agreements which need to be otherwise signed by both parties.