Hello,
You are partially right. However, ICos are not generated automatically with CTS transports (what I expect).
They have to be deployed manually vie SAP NWDS on SAP PO QA.
Once I exported CS that contained only IFlow:
All objects were create except ICo.
However, once I log on into SAP PO QA I could deploy IFlow:
and it created linkage I expected:
Case closed.
/Jakub