Is the gst on a 'voided' invoice, credited to the gst account?

Hi there robert-mvdl-ca,

Thanks for reaching out about your voided transaction. QuickBooks Online is a great tool able to help you keep track of sales tax on transactions so you know the amount to declare. I can provide some information about voided transactions.

When a transaction is voided in QuickBooks Online, all amounts are zeroed, including the taxes, which will reduce the amount in the GST account.

If you have any other questions, feel free to reach out here.