Guidance on submitting customer complaints data
- Publication type:
- Guidance
- Publication date:
- Last updated:
- Industry sector:
- Supply and Retail Market
This guidance explains how suppliers must submit customer complaints data to us.
Details
The guidance describes the requested data and how to submit it. It contains:
- guidance and instructions for suppliers on how to submit customer complaint information to us
- a template for completing monthly returns
- a template for completing quarterly returns
All updates
4 November 2025 guidance updated and new templates added for completing monthly and quarterly returns