This applies to assemblies in the open air or in enclosed spaces in accordance with Article 8 of the Basic Law (GG). Pure spectator events or chance meetings are not covered by the right of assembly.
At least 48 hours before the invitation sPublic assemblies or processions shall be notified to the competent authority, stating the object of the assembly or procession (§ 10 Abs. 1 Versammlungsgesetz NRW - VersG NRW).
If the meeting or elevator in our area of responsibility, then the notification (see form "Notification of assembly") must be sent to the Euskirchen district police authority.