Understanding the Director Identification Number DIN: Your Essential Guide
- Jan 22
- 3 min read
Every company director in Australia must have a Director Identification Number (DIN). This unique identifier helps the government track directors’ activities and prevent illegal practices such as phoenixing or fraudulent behavior. If you are a current or aspiring company director, understanding the DIN is crucial for compliance and smooth business operations.
This guide explains what a Director Identification Number is, why it matters, who needs one, and how to apply for it. You will also find practical tips and examples to help you navigate the process confidently.

What is a Director Identification Number?
A Director Identification Number is a unique 15-digit number issued to company directors in Australia. It stays with the director for life, regardless of how many companies they manage or leave. The DIN system was introduced to increase transparency and accountability in corporate governance.
The Australian Government requires directors to have a DIN to:
Prevent illegal activities such as phoenixing, where directors close a company to avoid debts and start a new one.
Track director appointments and resignations across companies.
Improve the accuracy of corporate records.
The DIN acts like a digital fingerprint for directors, linking their identity to their company roles.
Who Needs a Director Identification Number?
If you are appointed as a director of an Australian company, registered Australian body, or Aboriginal and Torres Strait Islander corporation, you must have a DIN. This includes:
Directors of proprietary companies (private companies)
Directors of public companies
Directors of registered Australian bodies
Officeholders of Aboriginal and Torres Strait Islander corporations
You do not need a DIN if you are a company secretary or hold other roles without director responsibilities.
When Do You Need to Get a DIN?
The deadline to apply for a DIN depends on when you became a director:
If you were a director before 1 November 2021, you had until 30 November 2022 to apply.
If you became a director between 1 November 2021 and 4 April 2022, you must apply within 28 days of appointment.
If you become a director after 5 April 2022, you must apply before your appointment.
Failing to obtain a DIN on time can lead to penalties, including fines.
How to Apply for a Director Identification Number
Applying for a DIN is straightforward and free. You can apply online through the Australian Business Registry Services (ABRS) website. Here’s a step-by-step overview:
Prepare your identity documents
You will need documents such as your Australian passport, driver’s license, or Medicare card to verify your identity.
Create or log in to your myGovID
myGovID is a secure digital identity used to access government services online.
Complete the online application
Provide your personal details, including full name, date of birth, and contact information.
Submit your application
Once submitted, you will receive your DIN immediately if your identity is verified.
Keep your DIN safe
Store your DIN securely as you will need it for future company registrations and dealings.
Example
Jane was appointed as a director of a new proprietary company in March 2023. Before starting her role, she applied for her DIN online using her driver’s license and received her number instantly. This allowed her company to register smoothly with the Australian Securities and Investments Commission (ASIC).
Why the DIN Matters for Directors and Companies
The DIN system benefits both directors and companies by:
Ensuring transparency
It helps regulators track director history and prevent misconduct.
Simplifying compliance
Companies can verify director identities quickly during registration or reporting.
Protecting directors
A DIN prevents identity theft and misuse of director details.
Supporting enforcement
Authorities can hold directors accountable for breaches of corporate law.
Common Questions About the Director Identification Number
Can I apply for a DIN if I am not yet a director?
No, only current directors or those about to be appointed can apply.
What if I lose my DIN?
You cannot lose your DIN as it is permanent. If you forget it, you can retrieve it from the ABRS website.
Can one DIN be used for multiple companies?
Yes, your DIN applies to all companies where you hold a director position.
Is there a fee to apply?
No, applying for a DIN is free.
Tips for Managing Your Director Identification Number
Keep a record of your DIN in a secure place.
Use your DIN whenever you register as a director or update company details.
Inform your company secretary or accountant about your DIN.
Check your director details regularly on the ASIC register to ensure accuracy.




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