Visitors between 15-19 years old can visit 20+ events in the company of a guardian. The guardian must be at least 23 years old and can bring along up to two underage visitors. All must report at the door upon opening and show a filled in form, or fill in at arrival. The form must also be presented at the bar and to the bartenders. The adult and the minors will be marked and commit to attend and stay sober throughout the event. Violation of the terms will result in a ban on entry. The form is in Norwegian. Be present when the doors open.