The champions are promoted to the second tier, the Challenge League, while the bottom two teams are relegated to the 1.
The season begins in August and ends in May, interrupted through a winter break from late November to early March.
Liga Promotion beginning with the 2012–13 season as part of a restructuring that saw the Challenge League reduced from 16 to 10 teams.
The Promotion League would therefore serve as the semi-professional link to amateur football.
For its maiden season, six teams were relegated from the Challenge League, while the rest joined from the division below.