Belgium

Collective redressOpt-in/Opt-outLegislation
YesOpt-outSections XVII.38 and XVII.43 of the Belgian Code on Economic Law (Code de droit économique).
Section XVII.43 3° of the Belgian Code on Economic Law.
Consumer Rights Act 2015.

Belgian collective redress framework 

In Belgium, there isn't a general collective redress mechanism, even though collective redress is available for consumer claims. Only a "group representative" can initiate the procedure.

Legislation