This sales tax filing transaction was created by the system and can't be edited.i want to delete this transaction

The option to delete a filed sales tax in QuickBooks Online is not available. Once it's marked as filed, the system locks these transactions to protect your accounting data and ensure your tax filings match your books. 

If you want to make corrections or if there is any information that needs to be edited, you may contact our QuickBooks Support team. They can pull up your account and assist you with your concern.

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