If you have CWC (As I do) and later add Resistance (as I did), you can then either run CWC v1.46 or Resistance v1.75 - 1.96 ( depending on whether you have applied the updates to the present version or not).
So, you can run either 1.46 or Resistance.
If you run 1.46 then Resistance functionality is not available.
If you run Resistance, all previous functionality is available.
Putting on my moderators hat for a bit:
This is off-topic as it isn't an editing question, a more indepth answer might be available on the BIS Official Forums.
With that in mind I will now lock this.
Planck