a How long is the theory test result valid for? 4 years a Can I go for the umpiring course without taking the theory test? No, it is a requirement to do the theory test with a minimum score of 70% before attending the session. a How many attempts can I do the test for? As many times as you want. a have more questions with regards to umpiring. Please send in your enquiries to courses@netball.org.sg or you can give us a call at 63465063 x 120.