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ABN essentials
  
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The Australian Business Number (ABN) is a single identifier for all business dealings with the tax office and for dealings with other government departments and agencies.
Basic topics
Introduction to ABN
Registration
Cancellation
Statement by a supplier
Advanced topics
Publications
ABN a great start for business
Reasons to get an ABN and how to apply online.
ABN entitlement for an individual - questionnaire
This questionnaire will provide assistance in determining your entitlement to an ABN.
ABN entitlement tool (individuals/sole traders)
This decision tool is designed to assist individuals and sole traders to determine whether they are entitled to register for an ABN.
Checklist - ABN
Checklist for when the ABN rule applies and if the supply is excluded from the ABN rule.
Different roads one path - getting down to business
How the Australian Business Register can assist you with starting and running your own business.
Format of the Australian Business Number (ABN)
Explains how the ABN is structured.
No ABN withholding - questions and answers
This document is an overview on what to do when your supplier does not quote an ABN.
Search for a business using ABN Lookup
This document redirects you to the business.gov.au website where you can search using ABN Lookup. ABN Lookup provides access to the publicly available information provided by businesses when they register for an Australian business number (ABN).
Step by step guide - Australian business number (ABN)
What you and your supplier need to do when you purchase supplies for use in your businsess.
What is the Australian Business Register (ABR)
The Australian Business Register (ABR) is the central collection, storage and verification system for basic business identity information from all entities with an ABN. This document gives a definition of the ABR.
Who is entitled to an ABN
Do I need an ABN? Is the ABN compulsory? Why might my enterprise need an ABN? How does the ABN affect relations between businesses?
ABN a great start for business
Reasons to get an ABN and how to apply online.
ABN registration for companies, partnerships, trusts and other organisations
Information on how to register for an ABN (companies, trusts and other organisations). Alternative lodgment options are listed on this page.
Application to register a PAYG withholding account
Use this form if you are not required to have an Australian business number (ABN) and you need to register for a pay as you go (PAYG) withholding account. NAT 3377.
ABN registration for individuals (sole traders)
Information on how to register for an ABN (sole traders). Alternative lodgment options are listed on this page.
Application for ABN registration for superannuation entities
Instructions and application form for superannuation entities to register for an ABN NAT 2944.
Australian business number - Government registration process
A fact sheet containing information for government organisations wanting to register for an ABN.
Different roads one path - getting down to business
How the Australian Business Register can assist you with starting and running your own business.
Primary contacts and authorised contacts
This document outlines the roles and responsibilities and who is authorised to appoint a primary contact and authorised contact.
How to register for an ABN
Details of the ways you can apply for an Australian business number (ABN) and register as a withholder.
Reactivating your ABN
Information for clients who have previously had an ABN and ceased business and are re-commencing business or starting a new business and would like to use their previous ABN.
ABN a great start for business
Reasons to get an ABN and how to apply online.
Different roads one path - getting down to business
How the Australian Business Register can assist you with starting and running your own business.
How to lodge your pay as you go (PAYG) withholding annual reports electronically
This guide provides information to payers to help them lodge their pay as you go reports electronically.
PAYG payment summary - withholding where ABN not quoted
This form is to be completed by payers who are required to withhold an amount from a payee that did not quote their ABN when required. NAT 3283.
PAYG payment summary - withholding where ABN not quoted guidelines
Instructions to assist clients who fall into this catergory with their withholding obligations.
Tax file number and Australian business number information for savings accounts and investments
Outlines the tax file number (TFN) and Australian business number (ABN) quoting requirements for people and organisations who have savings accounts or investments.
ABN a great start for business
Reasons to get an ABN and how to apply online.
ABN registration for companies, partnerships, trusts and other organisations
Information on how to register for an ABN (companies, trusts and other organisations). Alternative lodgment options are listed on this page.
Application to register a PAYG withholding account
Use this form if you are not required to have an Australian business number (ABN) and you need to register for a pay as you go (PAYG) withholding account. NAT 3377.
ABN registration for individuals (sole traders)
Information on how to register for an ABN (sole traders). Alternative lodgment options are listed on this page.
Application for ABN registration for superannuation entities
Instructions and application form for superannuation entities to register for an ABN NAT 2944.
Australian business number - Government registration process
A fact sheet containing information for government organisations wanting to register for an ABN.
Different roads one path - getting down to business
How the Australian Business Register can assist you with starting and running your own business.
Primary contacts and authorised contacts
This document outlines the roles and responsibilities and who is authorised to appoint a primary contact and authorised contact.
How to register for an ABN
Details of the ways you can apply for an Australian business number (ABN) and register as a withholder.
Reactivating your ABN
Information for clients who have previously had an ABN and ceased business and are re-commencing business or starting a new business and would like to use their previous ABN.
ABN entitlement for an individual - questionnaire
This questionnaire will provide assistance in determining your entitlement to an ABN.
ABN entitlement tool (individuals/sole traders)
This decision tool is designed to assist individuals and sole traders to determine whether they are entitled to register for an ABN.
Application to cancel registration
You should complete this application if you want to cancel your registration for Australian business number, goods and services tax, fuel tax credits, luxury car tax, wine equalisation tax or pay as you go withholding. (NAT 2955)
Checklist - ABN
Checklist for when the ABN rule applies and if the supply is excluded from the ABN rule.
Format of the Australian Business Number (ABN)
Explains how the ABN is structured.
How tax applies to Indigenous artwork
Explains how pay as you go (PAYG) withholding, the goods and services tax (GST) and the Australian business number (ABN) apply to Indigenous artworks sold at art centres.
How to lodge your pay as you go (PAYG) withholding annual reports electronically
This guide provides information to payers to help them lodge their pay as you go reports electronically.
No ABN withholding - questions and answers
This document is an overview on what to do when your supplier does not quote an ABN.
PAYG payment summary - withholding where ABN not quoted
This form is to be completed by payers who are required to withhold an amount from a payee that did not quote their ABN when required. NAT 3283.
PAYG payment summary - withholding where ABN not quoted guidelines
Instructions to assist clients who fall into this catergory with their withholding obligations.
Search for a business using ABN Lookup
This document redirects you to the business.gov.au website where you can search using ABN Lookup. ABN Lookup provides access to the publicly available information provided by businesses when they register for an Australian business number (ABN).
Statement by a supplier (reason for not quoting an ABN to an enterprise)
You should complete this form if you are a supplier and do not quote your Australian business number to an enterprise. NAT 3346.
Step by step guide - Australian business number (ABN)
What you and your supplier need to do when you purchase supplies for use in your businsess.
Tax file number and Australian business number information for savings accounts and investments
Outlines the tax file number (TFN) and Australian business number (ABN) quoting requirements for people and organisations who have savings accounts or investments.
What is the Australian Business Register (ABR)
The Australian Business Register (ABR) is the central collection, storage and verification system for basic business identity information from all entities with an ABN. This document gives a definition of the ABR.
Who is entitled to an ABN
Do I need an ABN? Is the ABN compulsory? Why might my enterprise need an ABN? How does the ABN affect relations between businesses?
Application to cancel registration
You should complete this application if you want to cancel your registration for Australian business number, goods and services tax, fuel tax credits, luxury car tax, wine equalisation tax or pay as you go withholding. (NAT 2955)
How tax applies to Indigenous artwork
Explains how pay as you go (PAYG) withholding, the goods and services tax (GST) and the Australian business number (ABN) apply to Indigenous artworks sold at art centres.
Statement by a supplier (reason for not quoting an ABN to an enterprise)
You should complete this form if you are a supplier and do not quote your Australian business number to an enterprise. NAT 3346.
  
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