Article 56 if a certain kind of infectious disease which demands quarantine as stated in legal provisions is discovered in a railway station or on board a passenger train , the railway sanitation and quarantine authority shall carry out the necessary quarantine process ; the local sanitation and quarantine authority shall render assistance to the former upon request 第五十六条在车站和旅客列车内,发生法律规定需要检疫的传染病时,由铁路卫生检疫机构进行检疫;根据铁路卫生检疫机构的请求,地方卫生检疫机构应予协助。