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.
Step 2. Attend a program sponsored by a local or national-level referee training program, such as that offered by the USA Basketball Program, if one is not offered by your local recreational sports organization. These programs are offered throughout the country, and typically require a fee to attend.