3. Citizens of the parties to the dispute cannot be heard by a group of technical experts without the common agreement of the parties to the dispute, unless the panel considers that the need for scientific expertise cannot be met by other means. Government officials of the parties to the dispute are not allowed to sit in a panel of technical experts. Members of technical expert groups perform their individual duties and are not representatives of the government or representatives of an organization. Governments or organizations therefore do not instruct them on the issues in front of a group of technical experts. 10.7 When a member has reached an agreement with another country or country on issues related to technical regulations, standards or compliance assessment procedures that could have a significant impact on trade, at least one member of the agreement informs the other members, through the secretariat, of the food products covered by the agreement and a brief description of the agreement. Concerned members are invited to consult with other members on request to conclude similar agreements or to organize their participation in these agreements. An introduction to WTO rules on technical barriers to trade and understanding of the OTC agreement 6.3 Members are invited, at the request of other members, to begin negotiations for mutual recognition agreements on the results of mutual compliance assessment procedures. Members may require these agreements to meet the criteria set out in paragraph 1 and to satisfy each other`s opportunities to facilitate trade in the products concerned. In accordance with Article 1, this agreement applies to all industrial and agricultural products, with the exception of services, sanitary and plant health measures (as defined in the agreement on the application of sanitary and plant health measures) and ”purchase specifications established by public authorities for production or consumption needs” (art.