Jurassic Referee But if the game starts with a T, you can grant a TO request after the first shot. Rules reference is NFHS casebook play 5.12.4SitA.
Nevadaref 5-12-4 ...A time-out shall not be granted until after the ball has become live to start the game. The additional 60-second time-out provided for each extra period(s) shall not be granted until after the ball has become live to start the extra period(s).