for IPD: provides the means to break the complete IPP information into
manageable sections. This allows for the identification of spares and the regulation
of
processes by section. The first five characters contain the CAGE code. The sixth to
the
ninth characters are a serial number allocated by the project or the organization.
The
initial provisioning project number (IPPN) must be unique.
for references: the IPPN
of the referenced IPP.