Our Billing Representatives may very well be able to assist you with this issue, Zuliam. I encourage you to have your friend give them a call using one of the following numbers:
Billing and Account Services
Live Representatives are available every day from 8:00 AM to 8:00 PM PST For phone assistance please call: 1 (800) 592-5499 || 1 (800) 59-BLIZZARD
Players in Australia should call 1-800-041-378
Players in Singapore should call 800-2549-9273
Players in Chile should call 1230-020-5554
Players in Mexico should call 001-888-578-7628
Players in Argentina should call 0800-333-0778
All other international players should call: (949) 955-0283