The legal framework pertaining to the use of private armed guards protecting merchant ships from Somalia-based piracy is complex, sometimes ambiguous, and currently in a state of flux. Against the background that commercial shipping increasingly relies on Private Maritime Security Companies and that various regulatory projects on the subject matter are underway, this article sketches out what domestic and international rules govern the use of force and firearms by private armed guards on board merchant ships today. It concludes that at this juncture an effort to coordinate this legal framework is necessary, both regarding the interpretation of existing rules and the creation of new norms.
