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Withdrawing CDRCs for the BidCarbon marketplace

Last updated 3 November 2025

A seller may remove their sale offer from the BidCarbon marketplace transfer list at any time. This occurs if a seller decides to sell their CDRCs to a buyer (such as an agent) outside of the BidCarbon marketplace and at a negotiated price.

A seller may only withdraw sales for CDRCs if an offer to buy hasn't been received on the BidCarbon marketplace.

How to withdraw CDRCs from the BidCarbon marketplace

1. Log in to your BUC Registry account

2. Select the 'certificates and transfer' menu heading

3. Select the 'BidCarbon marketplace' menu item to view all BidCarbon marketplace offers made by your account

4. Select the 'withdraw' button next to the offer

5. Confirm the number of certificates to be withdrawn and select 'withdraw'

Your certificates will be withdrawn from sale on the BidCarbon marketplace and returned to 'registered' status in your account.

Withdrawing CDRCs for the BidCarbon marketplace
Withdrawing a transfer

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The BidCarbon marketplace is a facility within the BUC Registry that supports holders of carbon data rights certificates and entities buying and selling CDRCs at a fixed price.

Depending on demand, CDRCs may join the BidCarbon marketplace transfer list if there are more sellers than buyers. This is a first-in-first-served system, the latest offers are added to the bottom of the list.

The status of the BidCarbon marketplace transfer list is available in the BUC Registry and updated hourly.

Read our BidCarbon marketplace operations guidance.

Buying CDRCs
Transferring CDRCs ownership

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Voluntary offsetting

BidCarbon removal units are used to measure and trade greenhouse gas emissions globally. Learn more about purchasing and cancel BidCarbon removal units, when you aren't legally required to do so.

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Applying for carbon data rights certificates

Learn how to apply for a carbon data rights certificate to sell your BRUs.

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Market infrastructure

We are committed to maintaining the integrity of the market and to providing participants with the resources they need to understand the BidCarbon marketplace.