My son started taking martial arts classes and participated for 6 months. The Martial Arts school (The Source Academy, Tigard Oregon) uses ASF international as a billing company. Despite the fact that I notified The Source Academy that we were quitting, ASF refused to stop charging my credit card. This problem continued for 3 months. ASF claimed that they needed 30 days written notice, and that notifying the Martial Arts school was not good enough. Even after supplying that, they continued to charge the card. The only resolution wa... read full review »