I will answer the questions below in accordance with the provisions in my country because I do not know the terms of being a referee in a country person
The main level of an arbitrator that must take after C3 course, This is an outright prerequisite to be taken at the essential level. This permit applies to driving city or locale level matches, Additionally licenses to be taken by Referees in the wake of having a C3 permit ie C2 course (commonplace level), Refs who are graduated and hold C2 licenses are qualified to lead common football games, for example, Porprov, Popda, Porda or authority competitions at the commonplace level.
In the wake of holding the C2 permit, the ref who wishes to proceed with his profession at the national level must take the C1 permit. national level ref course keeps going about seven days with amusement rules material in English. Arbitrators who pass the C1 course are qualified to lead national level matches, for example, the League of Indonesia and the Amateur League and in addition passing refs officials held before the League of Indonesia rivalry is played.
that is the way to be a referee in my beloved country that is Indonesia hopefully give good information for all of you