...
The three values are then multiplied together for each guideline. This product provides a measure that can be used in prioritizing the application of the guidelines. These products range from 1 to 27. Guidelines and recommendations with a priority in the range of 1-4 are level 3 guidelines, 6-9 are level 2, and 12-27 are level 1. As a result, it is possible to claim level 1, level 2, or complete compliance (level 3) with a standard by implementing all guidelines in a level, as shown in the following illustration:
Recommendations are not compulsory and are provided for information purposes only.
The metric is designed primarily for remediation projects. It is assumed that new development efforts will conform with the entire standard.