| Collective redress | Opt-in/Opt-out | Legislation | 
|---|---|---|
| Yes | Opt-in | Act 444/2007 on Group Actions (Ryhmäkannelaki) | 
Finnish collective redress framework
In Finland, the Consumer Ombudsman can promote a collective action. 
The following requirements must be met for the admissibility of the application: numerousity; commonality; expediency; definability.