The FIH produced a 'Rules of Hockey' app in 2017, and it has now been updated to include the new rules for 2019.
Not only does the app provide full details of all the current rulebook, it also provides a quiz with ten randomly selected multiple choice questions, to allow you to test your knowledge and understanding.
The app is available for both Apple and Android devices, and can be downloaded from your app store, or by using the following links:
For iOS devices, click here
For android devices, click here