How do I add my ABN to an invoice?

Hello imperialdomestic,

Thanks for posting in the Community! Let me guide you on how to add your ABN number to your invoice.

1. Go to the Settings icon in QuickBooks Online.
2. Click on Account and Settings. 
3. Under the Company tab, click the Pencil (Edit) icon of the Company name section. 
4. In the ABN section, make sure the enter the correct number. 
5. Select Save. 
6. Choose Done. 

Once done, let's check the ABN box in the Content tab of your invoice template. This will automatically appear on your sales form. Here's how:

1. Go to the Settings icon in QuickBooks Online.
2. Select Custom Form Styles. 
3. Find your template from the list. 
4. Click Edit from the Action column. 
5. Go to the Content tab. 
6. Select the upper top of the invoice.
7. Check the ABN box. 
8. Click Done. 

Then, go ahead and create a sample invoice and click on Print or Preview to see if the ABN no displays. 

Also, you can check this article to learn more about how to Customise invoices, quotes, and sales receipts in QuickBooks Online.

Post again in the Community if you need more help with QuickBooks Online.