It also comprises a national OSH system which contains the infrastructure to implement the national policy, and national programmes and coordinate the national regulatory, technical and promotional, actions related to OSH. The OSH-MS also involve a national OSH programme defining national objectives relevant to OSH in a predetermined time frame, establishing priorities and means of action developed through an analysis of the national OSH situation as summarized by a National OSH Profile. It also imcludes a mechanism to review the outcomes of the national programme with a view to assessing progress and defining new objevtives and sctions for the next cycle. The guideline provide guidance for implementation on two levels at the national and organizational.