We regulate the water sector in England and Wales
About us This section of the website sets out how we will work with others for the benefit of customers of water and wastewater services and wider society in England and Wales both now and in the future.
Regulated companies In this section you can find information for and about the water companies we regulate.
Residential customers
In this section of the website you can find information about water and sewerage supply to household consumers.
Business customers
In this section of the website you can find information about water and sewerage supply to businesses, charities and public sector organisations.
Investors
In this section you can find information for investors in water companies.
Home > Publications > Wholesale Retail Code Change Proposal 020: CSD0301 Updates − Data Item Formats
253.68 KB - PDF
Published
14th April, 2016
Kind
Publication
Type
Determinations and decisions
