softball from the Summer Olympics in 2005, the IOC reclassified baseball and softball as two disciplines of the same sport. As the IOC's guidance indicated the necessity for baseball and softball to be jointly considered for reinstatement in the Olympic programme, the two independent International Federations set out on a path toward a full and complete merger.

In 2012, the International Baseball Federation (IBAF) and the International Softball Federation (ISF) laid out the essential ground rules