Example models (UPCC)
The example models are available as Enterprise Architect files and in XMI format.
UPCC 3.0
UPCC 1.0
No examples available.
Enterprise Architect is a UML modeling tool developed by the Australian based company Sparx Systems. It supports UML 2.1 and its prior versions. The tool is available for Windows and Linux systems. A free 30 day trial-version can be downloaded from the company’s website.

UN/CEFACT Modeling Methodology (UMM) Development Site - Modeling B2B collaborations » Blog Archive » CCL08A available as Enterprise Architect file:
[...] Example models (UPCC) [...]
28 October 2008, 3:16 pm