Before you register: the ETS fine print
Registering forest land in the Emissions Trading Scheme is often talked about like filling in a form. Get the mapping right, submit the application, wait for MPI to confirm, and the credits start rolling in.
Underneath the form is legislation - the Climate Change Response Act - and registering means opting your land into an ongoing legal relationship with the Crown. Most of that relationship works exactly as expected. Some of it catches people out.
This is CarbonCrop's overview of what to have on your radar before you register, not legal advice. Questions to ask before you commit.
Who owns the carbon, and who needs to agree
If your land is under a lease, a grazing licence, or a forestry right, who actually owns the carbon your trees are storing?
As the landowner, you're presumed to own everything on your land, from the sky above it to the ground beneath, including the carbon in the trees. If nothing changes that presumption, the carbon is yours to register.
Agreements over the land can change it. A lease, a forestry right, or a carbon agreement can shift ownership of the carbon to someone else entirely, separate from who owns the trees and the dirt underneath it. If you've leased out land, or granted a forestry right to another party, check what the agreement says about the trees and the carbon in them, and whether it meets MPI’s requirements, rather than assuming.
This is also why MPI won't let you register on your own say-so if someone else has an interest in the land. Written consent is required from everyone with an interest before you can register - the landowner if you're a leaseholder applying, or the leaseholder or forestry right holder if you're the landowner. Skipping this properly can hold up or invalidate your application.
Tip: leases and forestry rights must be registered on the land title with LINZ, and give-and-take boundaries are not recognised.During the registration process, you'll need to choose an accounting method - Averaging or Permanent.
Averaging is the more common choice for young and first rotation forests, and the only option if you ever intend to harvest. Under Averaging, your forest earns credits up to an average age, then stops - roughly 16 years for a typical pine rotation. You can move from Averaging to Permanent later. You cannot move back.
Permanent means permanent (practically speaking). A forest registered as Permanent is expected to keep growing indefinitely, and can't be cleared. Reversing it requires Ministerial dispensation, which in practice makes it a decision for life. If there's any chance you'll want to harvest the trees, or change the land use down the track, weigh that up before you register, not after.
Alongside the accounting method sits a set of ongoing duties that don't stop once you're accepted into the scheme. There is an annual administrative charge for being registered. You'll need to file Mandatory Emissions Returns at set intervals, keep records of changes to your forest, and notify MPI when things change - if the forest is harvested, damaged, or if ownership shifts. These obligations are legally binding under the Climate Change Response Act. You can read more about these charges here.
Tip: You don’t need to complete any of this yourself - a third party can do this for you.
Selling or buying: it doesn't reset
The same principle from carbon ownership applies here: ETS obligations attach to the land, and whoever owns it is responsible to comply with the ETS regulation. Registration doesn't disappear when the land changes hands, and it doesn't reset for a new owner either.
If you're mid-transaction, the mechanics - what happens to your NZUs, how a registration transfers, MPI's notification deadlines - are covered properly in our guides on buying and selling property with ETS-registered forest.
If you're transacting on land with ETS-registered forest, whether owned or subject to a forestry right or lease held by someone else, that's a good moment to bring in a solicitor. This is where the ETS intersects with property law, with obligations, and liabilities involved.
This overview is a starting point, not a substitute for legal advice on your specific situation. If you're weighing up registration and want to understand what you've actually got, get in touch for a free eligibility assessment.
And if the ETS isn't the right fit for your land, particularly ineligible pre-1990 native forest, voluntary carbon and nature credit markets work under a different legal framework. Worth a look on their own terms.
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