Originally Posted by kaligaran
If it wasn't mentioned it sounds like it's most likely NOT a restriction (confirm before assuming by looking at the restrictions on your CCW first).
It wasn't discussed in my class either but I asked during the Q&A session and they said 'no but highly recommended'.
The class is to tell you the restrictions and laws around the CCW. If they took their time to explain everything that isn't a law or restriction, you'd be there all week.
The balance to this is that most [CA] LTC training I've seen or read about is woefully defective, and in some instances dangerously wrong.