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An example may be a legacy system that calculates
size by lines of code instead of by function point. Rather than reengineer
the millions of lines of code in the system in order to use a tool to count function
points, and rather than do it manually, the project is simply allowed to continue
calculating size by lines of code. The Delphi Technique is still used, but lines of
code is the measurement.
To perform at Level 3, an organization must have satisfied all of the goals for all
of the process areas (PAs) in both Level 2 and Level 3. Sometimes exceptions may
be made. Caution should be exercised however. Entire process areas are generally not
allowed to be tailored out of consideration. Practices may be tailored out if replaced
by suffi cient alternative practices. Remember: the more tailoring done, the less likely
an organization is to achieve improvement, and the less likely the organization is to
achieve a maturity level through an appraisal.
The CMMI makes a point of stating that at Level 3, the organization has more
distinctly defined its processes.


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