They just have to be able to take the class and test and get their card at any age. They just need the H. E. cardand a $10 deertag until they are 16. At 16 they have to buy a license and pay the full $20 for a tag. This year they changed the law in OK where kids can get a buck and a doe in mid-OK for the youth weekend. Up until now it was just a doe. Best opportunity in history for a kid to hunt deer. It's before Muzz and gun and only 2 weeks after bow has started on Oct 1st.