No compelling reason for you to have one so if you have doubts, go ahead and decline it. You will see if they really mean "nothing is required" or if they woll give you a hard time, and the sooner you find that out, the better
To Trenell, MizKerri and geeky:
I pray none of you ever has to live in a communist state.

Geeky is my hero. She's the true badass. The badass who doesn't even need to be a badass. There aren't enough O's in cool to describe her.