Key documents
Regulatory documents
Extract of the Complaint Handling Regulation of KELER Group
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Archive
Complaint Handling ProcedureThe extract of KELER Group's Complaint Handling Regulation
Effective from: 1 August 2025
2025_08_01_KELER-Group Complaint Handling Procedure.pdf (218.2 kB)
Request for listening back
2023_10_16_Request for listening back.docx (31.9 kB)