Vessels of the Republic of China may sail to Hong Kong or Macau in accordance with the relevant laws and regulations. However, in the event of a threat to the security, public order, or interests of the Taiwan Area, the Ministry of Transportation and Communications or relevant agencies may impose necessary restrictions or prohibitions.
Vessels of Hong Kong or Macau may sail to the Taiwan Area in accordance with the relevant laws and regulations. However, the Ministry of Transportation and Communications or relevant agencies may impose necessary restrictions or prohibitions under any of the following circumstances:
(1) If the security, public order, or interests of the Taiwan Area may be threatened;
(2) If Hong Kong or Macau adopts discriminatory measures against vessels of the Republic of China; or
(3) If investigations prove that a vessel is owned by mainland Chinese company which without permission to sail between the Taiwan Area and Hong Kong or Macau .
Regulations governing affairs relating to vessels of Hong Kong or Macau when entering or exiting the ports and when berthing in ports in the Taiwan Area may be formulated respectively by the Ministry of Transportation and Communications or relevant agencies, and shall not be subject to the restrictions imposed by Article 25 of the Commercial Port Law.

Foreign vessels may sail between the Taiwan Area and Hong Kong or Macau in accordance with the relevant laws and regulations. However, the Ministry of Transportation and Communications may, if necessary, restrict or prohibit the transportation of passengers and cargo based on the relevant provisions in the Shipping Industry Law.

Civil aircraft registered in the Republic of China, Hong Kong or Macau may fly between the Taiwan Area and Hong Kong or Macau with permission from the Ministry of Transportation and Communications. However, in the event of changes in circumstances which possibly threaten the security of the Taiwan Area or constitute a major concern, the Ministry of Transportation and Communications may impose necessary restrictions or prohibitions.
Civil aircraft registered in Hong Kong or Macau which illegally enter the restricted areas of the Taipei Flight Information Region shall be warned or forced to leave the area, forced to land, or subjected to other necessary measures taken by agencies in charge of air defense.

Foreign-registered civil aircraft may fly between the Taiwan Area and Hong Kong or Macau in accordance with air traffic rights exchanges and by reference to international air traffic conventions.
Foreign-registered civil aircraft which illegally enter the restricted areas of the Taipei Flight Information Region shall be warned or forced to leave the area, forced to land, or subjected to other necessary measures by agencies in charge of air defense.