Found some more info on the NT registration process:
Business
Proof of identity
A business is not a legal entity. Legal entities for a business can be individuals, partners or a company. The customer is required to provide a copy of the Business Extract which will detail the legal entities of the business. The legal entities will be required to provide POI.
Acceptable POI documents are:
current driver’s photo licence from the NT, interstate or the ACT
current passport or Document of Identity
birth certificate
certified copy or extract of birth certificate
Australian naturalisation or citizenship document, immigration papers issued by the Department of Immigration, Local Government and Ethnic Affairs or documents issued by the Passport Office
Current consular photograph identity card issued by the Department of Foreign Affairs and Trade
Aboriginal Population Record letter from Births, Deaths & Marriages.
Please note: A birth certificate must be accompanied by at least one (1) other document proving identity.
Proof of residency
Proof of residency will be required from the legal entity. To show POR, customers must present one or more of the acceptable forms of residency as listed.
Surrender of interstate drivers licence
Current Pensioner Concession card issued by the Territory Health Services or Department of Veterans’ Affairs entitlement card
A passbook or account statement not more than 12 months old from a bank, building society or credit union
Telephone, gas or electricity bill not more than 12 months old
Water rates, council rates or land valuation notice not more than 2 years old
Electoral enrolment card or other evidence of enrolment not more than 2 years old
Armed services discharge papers not more than 3 months old
Current student identity card
Letter from employer on official letterhead
Assessment notice issued by the Australian Taxation Office
Letter from Land Council staff
Company
Proof of identity
A Company is registered with the Australian Securities and Investments Commission (ASIC). Each company is allocated a unique Australian Company Number (ACN). A Company Certificate of Incorporation must be provided for the first registration.
A Company shows POI by proving its legal status. To prove its legal status a company must provide these items:
Copy of Company seal; OR
Copy of Certificate of Incorporation; and
Australian Registered Body Number (copy of certificate) if an overseas company.
Proof of residency
Telephone, gas or electricity bill not more than 12 months old;
Lease Agreement
Water rates, council rates or land valuation notice not more than 2 years old
Incorporated bodies
Proof of identity
An Incorporated Association/Body is a legal entity and can registered a vehicle in it’s own right. They are registered with the Office of Business Affairs and are issued a Certificate of Incorporation and also an Association number. To prove it’s legal status an Incorporated Body must provide these items:
Copy of Certificate of Incorporation
Proof of Association number
Proof of residency
Same as for a Company.