Department of Inspection and Quarantine Clearance takes the responsibility of studying and formulating provisions and rules concerning entry-exit inspection and quarantine general business and certificate issuing and marking, as well as organizing the implementation; administering the business of entry-exit inspection and quarantine at ports; establishing and collecting the list of entry-exit inspection and quarantine categories; administering the issue of preferential-treatment form of origin and general form of origin; administering the reckoning and charging work of entry-exit inspection and quarantine and the statistics of relevant business; organizing the implementation of information application of entry-exit inspection and quarantine; supervising and administering social service agencies dealing with businesses related to entry-exit inspection and quarantine according to the law.