What one jurisdiction's law and courts require of a register, and what the standard asks beyond them, each item cited.

Regime Annex
Austria Verbandsklage auf Abhilfe, §§ 623 to 635 ZPO Annex AT
Belgium Action en réparation collective, Livre XVII CDE Annex BE
Czech Republic Hromadné řízení, zákon č. 179/2024 Sb. Annex CZ
Finland Ryhmäkanne, ryhmäkannelaki 444/2007 Annex FI
Germany Verbandsklage under the VDuG Annex DE
Ireland Representative action, Act No. 22 of 2023 Annex IE
Italy Azione di classe and azione rappresentativa Annex IT
Netherlands WAMCA, art. 3:305a BW Annex NL
Poland Postępowanie grupowe, ustawa z dnia 17 grudnia 2009 r. Annex PL
Portugal Ação popular, DL 114-A/2023 Annex PT

The core's residence rule (4.6) follows the Representative Actions Directive, so it holds in every member state.

A new annex follows the template.