The promotion and relegation system is a process that takes place at the end of the season that transfers teams from a division to another. This system have the best team(s) from a division promote to the next highest one, in replacement for the worse one(s) from that same division, who are relegated to take the place of those teams in the lower division. This process may continue down through many levels; between division 1 and 2, 2 and 3, 3 and 4 and so on.