This document deals with the technical requirements and the means for their verification for AM machines using a bed of metallic powder and a laser herein designed as machine. This document deals with all significant hazards, hazardous situations or hazardous events during all phases of the life of the machine (ISO 12100:2010, 5.4), as listed in Annex A, relevant to the applicable machine when it is used as intended and under conditions of misuse which are reasonably foreseeable by the manufacturer. This document does not deal with hazards which can occur: — during construction; — operating in potentially explosive atmospheres. This document is not applicable to machines manufactured before the date of its publication