It refers to the guidance and normative laws and regulations designated by national and local public-health institutions, including the vector biological prevention and control system, the patriotic health movement regulations, etc., which have the binding power for government functional departments, enterprises and public institutions, and PCO service companies.
http://www.nhfpc.gov.cn/jkj/s5898/200911/44393.shtml
http://zwgk.gd.gov.cn/006939748/201201/t20120130_302349.html
http://www.pkulaw.cn/fulltext_form.aspx?Db=lar&EncodingName=gb2312&Gid=17376548