No official participant shall be engaged in any business activity without the approval of the approvingauthority and the registration by the competent registration organ.
未经审批机关批准和登记主管机关核准登记注册，官方参展者不得从事经营活动。
2
One Xerox copy of the enterprise incorporation approval and the approval of other modifications, contracts and articles of association approved by the approvingauthority 1 Xerox of each.
If they need to be sold or transferred, they shall be approved by the original approvingauthority and the procedures for making up the tax shall be handled at the competent Customs authority.