There is no proven safe or effective dose for niacin in children. For type 1 diabetes mellitus prevention, 200-3,000 milligrams of niacinamide has been taken by mouth daily for up to one year; 20-40 milligrams per kilogram has been taken by mouth daily for up to five years, and lacked evidence of benefit.
Become A Referee. General Information. You become a referee by attending and successfully completing a referee training course. As of July, 2013 U.S. Soccer Federation (USSF) authorized two entry-level referee certifications: Recreational Referee Grade 9 and Referee Grade 8.However, Referee Grade 8 entry level is the most popular.nformation For New Referees. Once you successfully complete a referee course and register with the USSF, you will receive your badge and will need to get appropriate referee gear, including a soccer referee uniform, soccer referee flags, referee cards, whistle, watch and shoes.
On passing this exam, you will become a Level Eight referee if you are less than 16 years of age, or a Level Seven referee if you are over 16. This qualifies you to referee local amateur (parks) football. THE NEXT STEPS. After at least one year at level Seven, referees are eligible for promotion to Level Six.n passing this exam, you will become a Level Eight referee if you are less than 16 years of age, or a Level Seven referee if you are over 16. This qualifies you to referee local amateur (parks) football. THE NEXT STEPS. After at least one year at level Seven, referees are eligible for promotion to Level Six.