Hi mark72,
Thanks for posting in the Community! There are two ways on how you can unlodge your BAS. You can either contact an accountant or our customer support team as they have the facility to undo a lodged BAS in QuickBooks Online.
Here's how to contact us:
- Sign in to your QuickBooks Online company.
- Go to Help (?).
- In the Search tab, select Contact Us.
- Enter your question and select Continue.
- Choose a way to connect with us.
Message us back if you have any other questions with lodging your BAS. Have a great day!