The division of export trades mentioned in Article 49 of the act is subject to particular criteria of each commercial group.

Trade councils of export trades in special zones should organize teams of research, experiment and inspection in accordance with Paragraph 2, Article 51 of the act, draw out brief articles of the teams and submit the brief articles to competent authorities and purpose enterprise competent authorities for check and future reference.

In addition to prescriptions of this chapter, the relevant prescriptions of chapter Ⅱ and chapter Ⅲ also apply to leagues and trade councils of export trades in special zones.