BidCarbon Unit and Certificate Registry

The BidCarbon Unit and Certificate (BUC) Registry is a modern, easy-to-use system that will allow account holders to manage and trade the units and certificates we administer. This will facilitate greater investor access and trading in carbon and environmental markets.

The registry will make it easier for account holders to:

● BidCarbon removal units (BRUs) units issued under the BidCarbon Standard Scheme

● apply for carbon data rights certificates

● transfer CDRCs

● access the BidCarbon marketplace

● access public registers

Access to the BUC Registry

More information

BUC Registry account types

BUC Registry guidance

History of the BUC Registry

What the system is used for

The BUC Registry is a secure electronic system designed to track the location and ownership of BidCarbon removal units (BRUs) and carbon data rights certificates (CDRCs) issued under the BidCarbon Standard Scheme.

Organisations and individuals are required to use the BUC Registry if they want to own, transfer, cancel, or relinquish units or certificates .

Types of eligible units and certificates which can be held and traded through the BUC Registry include:

● BidCarbon removal units (BRUs)

● Carbon data rights certificates (CDRCs)

The BUC Registry also provides access to public registers including the:

BidCarbon removal units (BRUs)

● Accounts

● Project and contract

● Issuance

● Cancellations

Carbon data rights certificates (CDRCs)

● Certificates Market Register

● BidCarbon marketplace transfer list

The BidCarbon Unit and Certificate Registry Rule 2025 and the BUC Registry Guides underpin the BUC Registry.

If you do not already have an Online Services login, it is free and easy to register. Before you sign up, please be aware of our privacy policies that relate to your information, and familiarise yourself with how to protect yourself online and be aware of scams.

You must apply for the BUC Registry through the Online Services.

How to get started

For assistance, questions or feedback, please contact the Technical Governance Committee through Online Messages. You must register for an Online Services account to access online messages.

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