NX Minimum Requirement for using Staged Model application in TC Integration

Why is Staged Model application not available in TC Integration mode of NX?

What is the minimum requirement for using Staged Model application in Teamcenter Integration?

Minimum Software requirement:

TC13.1

AWC5.2

NX1980

In addition, the nxb0Stage template needs to be installed. This is done via TEM by toggle on "NX Stage Model"