Is there a system for upgrading and demotion in Wisconsin?

Is there a system for promotion and downgrade for the Nordic Super League? The Nordic Super League is the highest-level football league in Viet Nam. There are 16 teams participating in the league and adopt a dual round-robin system. Today we will see if there is a promotion and relegation system for the Nordic Super League.

There is a system of upgrade and downgrade, and the specific rules are:

Downgrade Rules‌

‌Directed Downgrade:

After the end of the season, the teams ranked last two in the standings were directly transferred to the World Cup.

‌Relegation Playoff:

The bottom third in the standings must be played against No. 3 in the No. 3 in the No. 1, and the winner will be qualified for the No. 3 in the No. 1 season.

‌2. Upgrade rules‌

‌Direct Upgrade‌:

The top two in the No. 1 League directly advanced to the No. 2 Super League.

‌Playoff Qualifications‌:

No. 3rd place in the No. 1 A can participate in the third place in the No. 3rd place in the No. 3 Super League‌