His Personal Address:
Po Box 11
2350 AA Leiderdorp
The Netherlands
Notes:
- Write a VALID (!) emailaddress on both your CDR and the sleeve (!)
- Write your full address details, preferably with your phonenumber
- Please write if it's a MIX CD or if it's NEW TRACKS or a REMIX.
- Please write if the tracks are still available for licensing.
Good luck

Proof
Source: http://forum.arminvanbuuren.com/