1. From January 24th to February 23rd 2020, during this period, the export of the N95 mask (CCC6307.90.50.10-6 "Masks, filtering efficiency 94% or more, of textile materials"), medical (surgical) mask and activated carbon mask (CCC6307.90.50.20-4 "Other masks, of textile materials") has been controlled. 
2. To cooperate with this control measure, the Customs Administration has used the computer expert system to enhance the screening and inspection of these two tax identification numbers. If no export permit is presented, the declaration will not be accepted.