The Kimberley Process Certification Scheme (the KPCS) for rough diamonds has been developed by the Kimberley Process (Opens a new window) , an international negotiating forum that seeks to stop trading in "conflict diamonds" from fuelling armed conflicts, activities of rebel movements and illicit proliferation of armament. The People's Republic of China (PRC) has participated in the KPCS. The Trade and Industry Department and the Customs and Excise Department of the Hong Kong Special Administrative Region (HKSAR) are the designated importing and exporting authorities of the PRC to implement the KPCS in order to safeguard HKSAR's interest as a trading hub of diamonds in this region. The control schemes of the Mainland and HKSAR, however, are completely separate. The KPCS implemented in HKSAR comprises a registration system for rough diamond traders and a certification system for import/export of rough diamonds (Opens a new window) . The KPCS is administered by the Trade and Industry Department and enforced by the Customs and Excise Department.