Tn reguires one at the age of 10 yrs old to hunt I took it in 1987 when I was 10 and then took it again in 2000 when my little brother turned 10 I will take it again in another 3 yrs when my oldest daughter turns 10 I learned alot the 2nd time around that I had either forgot or never learned the first time and it helped me understand some of the laws that had changed over the years. TWRA or game wardens are the ones who instructs it here in TN and If I remember correctly it is free. The course is 4 nights long and 4 hrs every night.