Would you like help identifying the of IEC 60099 that matches your application (e.g., surge arresters for LV, MV, or HV systems)? I can guide you to the correct part number so you can purchase legally.
: View snippets of the Estonian implementation (EVS-EN IEC 60099-5) which is identical to the IEC version. IEC 60099-5:2018 iec 600995 pdf link