RULE CLARIFICATION REGARDING DEFINING A JUNIOR.

Rule 3.7.4.12

Juniors

Athletes will remain as Juniors until the 31^st December of the year in which they become 21 years of age. Any athlete born between the 1^st January and the 31st December, will cease to be a Junior on the 31^st December of that year.

Fuente: http://www.issf-sports.org