Contact the International WingTsun™ Association – North American Section (IWTA-NAS) for questions or for information about Leung Ting WingTsun® Kung Fu classes in your area.
By phone or FAX: (877) 498-2627
By postal mail:
IWTA-NAS, LLC
P.O. Box 232
Pontiac, IL 61764-0232
USA