Southern African Development Community c) harmonise relevant import, export and transfer documents and end-user control certificates; and d) establish systems to verify the validity and authenticity of documents issued by licensing authorities in the Region. ARTICLE 9 MARKING OF FIREARMS AND RECORD-KEEPING 1. State Parties undertake to establish agreed systems to ensure that all firearms are marked with a unique number, at the time of manufacture or import, on the barrel, frame and, where applicable, the slide and undertake to keep proper records of the markings. 2. The marking referred to in paragraph 1 of this Article shall identify the country of manufacture, the serial number, and the manufacturer of the firearm. ARTICLE 10 DISPOSAL OF STATE-OWNED FIREARMS 1. 2. State Parties undertake to identify and adopt effective programmes for the collection, safe-storage, destruction and responsible disposal of firearms rendered surplus, redundant or obsolete through, inter alia,: a) peace agreements; b) demobilisation or reintegration of ex-combatants; and c) re-equipment, or restructuring of armed forces or other armed state bodies. State Parties shall pursuant to paragraph 1 of this Article consider: a) encouraging full preparation for, and implementation of the collection, safe-storage, destruction or responsible disposal of firearms as part of the implementation of peace agreements; Protocol on Control of Fire Arms, Ammunition and other related materials 8