It depends. The IRS does not give schedules on how long it takes to correct an incorrectly filed tax return.
The IRS is already delaying all returns containing the advanced child tax credit. The IRS says:
By law, we can’t issue EITC or ACTC refunds before mid-February. This includes your entire refund, not just the part that’s related to the credit you claimed on your tax return.
If you claim the EITC or ACTC, we may need more information from you about your return. If we do, we will send you a letter.
For more info see When to Expect Your Refund if You Claimed the Earned Income Tax Credit or Additional Child Tax Credi...
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"