This document provides information about an upcoming Advanced International O.S.A.S. Symposium on orthodontic skeletal anchorage systems to be held from October 4-10, 2015 in Tuttlingen, Germany. The symposium will feature lectures from orthodontic experts from Germany, Brazil, Peru, Mexico, Spain, and Japan on various topics related to mini-implant anchorage in orthodontic treatment. The package includes accommodation, meals, transportation between the airport and events, admission to lectures and hands-on training, and a participation diploma. Travel to and from the Frankfurt airport is not included. The registration deadline is July 31, 2015 with a discount for full payment by May 15,