I don't think it is 100% correct. It is "temporary" classes which re classified by ESOC, not "templates".OIMs and partial OIMs can be defined by classifying the specialized templates with an "EnumeratedSetOfClass" (one of the Part 2 entity types, a subtype of ClassOfClass).
OIM decription in HEED publications
OIM decription in HEED publications
From http://www.15926.org/publications/HEED/ ... /index.htm :