okay - from my experience (as I have missed 2 meetings in a row because of vacation) you can miss 3 within a 6 month period and not have to pay for them, but anything more than that will either need to be payed for, or you'd have to re-register.
The only sure bet, though, is to go back and find out. Even if you do have to pay for it (which I don't think will be the case), it'll be worth every penny just to feel like your back on track
*hugs* for all the losers I'm proud to call my friends.
Jane