COMMISSION IMPLEMENTING REGULATION (EU) 2026/855 of 14 April 2026 on interoperability requirements and non-discriminatory and transparent procedures for access to data required for customer switching ANNEX Reference model for the customer switching supplier process

COMMISSION IMPLEMENTING REGULATION (EU) 2026/855 of 14 April 2026 on interoperability requirements and non-discriminatory and transparent procedures for access to data required for customer switching ANNEX Reference model for the customer switching supplier processeu-regulation-2026-x-x-855