Efforts to comply with emergency preparedness procedures and international guideline requirements continued. Teachers are responsible for following these academic standards as a guideline for developmentally appropriate instruction. For these reasons Cisco Systems has developed a comprehensive evaluation guideline. These factors lead to national standards that differ appreciably from the guideline values. A German clinical practice guideline recommends against its use. However, that is a guideline and not a rule. As with the other categories, this description is more of a guideline than a rule. See relevant section in the Guideline for Drug Master Files. The above description is simply a general guideline. The commission included different amendments to the guideline. High level disinfection of flexible endoscopes is required by all national guideline issuing bodies. Thus the UK is following the ISCED Level 3 (Upper) secondary education guideline. There is also a consumer version of this guideline. Data from the U.S. Census Bureau serves as the main guideline for defining affluence. In 2000, the committee published the first resuscitation guideline.