A comm number is like an ID i.e once you have it vw cust serv and give you informed proper updates, where the car is ect ect....
Don't worry about your dealer just say to him " I wud like the comm number to phone vw cust serv for updates rather than pester you every 5mins lol...he shud understand, mine did....its just like being a kid at Christmas again... 
Give me a sec and I will give you vw cust serv number 
Superb mate, superb! Thanks for your help there.....I'll get onto that later this week.
At this stage, I have only ordered the car via phone as I am out of the country so phoned the dealer & he took my deposit over the phone - that's all I've done/heard from him regarding the ordering of the car?
Now that he's taken the deposit & said he would send out the finance forms etc, does that effectively mean that the car is ordered?
Sorry for being a baloon tonight!! 
No worries mate, and no not necessarily...it just means he's gonna do it but by now he shud of done it as long as he's got allocation for that model, once the order has been placed with the factory it will automatically generate a personalised number(commission number) I think it's 8 digits...
Once the factory has the order it will be kept on there system until its been given a provisional built week, this can go forward or back until it's gone confirmed, then usually it's set in stone that your car will be built on this date, BUT peeps have said in the past that they've had a so called confirmed build week that has been put back or brought forward....mine didn't go back or forward, I was given a provisional build week which went confirmed and stayed that way...I can only comment on my own experience of course!
I'm was built on week5(feb 5th)of this yr and I took delivery on the 1st march...
I'm sure you've got nothing to worry about tho...
