I've been doing some digging but this seems to be a rare request, ive also checked vagcat but cant seem to come up with the right part. The part I'm looking for is the black plastic mould which holds the licence plate on the front grill. (Not a plate holder) The car is an 03-05 variation but I've face lifted to the 05-08 (Non-Sline). See below
You can't quite make it out in the photo but the Licence plate is currently stuck to the actual grill with sticky tabs.
Thanks for your help!