Welcome to the Community, office268.
The nature of your concern requires help from our QuickBooks Care Team. I suggest contacting our support. I understand that you've called us about the same issue. However, our phone support can conduct a thorough investigation and help you change the month from your GTS setup.
Here's how:
To know more about filing and paying GST in QBO, check out the following articles:
Get back to me if there's anything else I can help you with GST. I'd be happy to assist you further. Enjoy the rest of the day.
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