For a better browsing experience please switch your browser out of compatability mode.


Stay on top of the game by learning the Official Rules of Softball, as published by the Amateur Softball Association of America.

Now available for iOS (iPhones/iPads) and for Android devices, find out how our Apps can help you learn the rules of softball. The app also includes a free copy of the Umpire Manual and an interactive map with local Umpire-In-Chief contact information.

2015 version will be available soon

Browse on Google Play Store

Note: The ASA's printed rule book is not for sale. Rulebooks are included with registration materials when you register your ASA team or when you register as an Umpire. For more information on the ASA's registration process please visit the ASA local associations page and contact your local association.