An amended return filed after the due date of the original return cannot be used to change filing status from married filing jointly to married filing separately. This fact is noted on the 1040-X form itself:

What do I need to amend my tax return?

You must submit Form 1040X, which is an amended return. You can change your filing status on this form, report your same income, then take any tax credits or deductions you qualify for under your new filing status.

When is the deadline to change your tax filing status?

When assessing whether you are eligible to amend a tax return to change your filing status, the three-year period begins on the tax filing deadline of April 15 even if you file before this date.

What to do if you file your tax return with incorrect filing status?

Since you’ve filed your return with the incorrect filing status, use Form 1040X to supply amended or additional tax information to change your return. Submit Form 1040X to the IRS.

How do I amend Married Filing Separately returns to Married Filing Jointly?

How do I amend Married Filing Separately returns to Married Filing Jointly? The good news is that you only need to amend one of the returns; the IRS will disregard the other separately-filed return when they receive your amendment.

Can a MFJ return be amended after the due date?

Generally, a MFJ Return Cannot be Changed to MFS After the Return’s Due Date. An amended return filed after the due date of the original return cannot be used to change filing status from married filing jointly to married filing separately.

Do you have to file an amended 1040X if you are separated?

In either case, you must submit an amended tax return, Form 1040X, if you want to change your filing status after filing your tax return. You or your spouse—or perhaps both of you—might qualify for the head of household filing status if you’re living apart and separated.

How to change the filing status from married to Head of Household?

To change the filing status from Married Filing Jointly (MFJ) to Married Filing Separately (MFS), Single or Head of Household (HOH), follow these steps: In the joint client, ensure that all data entered is coded properly to the Taxpayer, Spouse or Joint. Run the Filing Status Optimization utility to split the joint client into 2 separate clients.

Why was my filing status changed from married to single?

The filing status was changed from Married Filing Joint to Single, during original processing, because the taxpayer did not provide the correct TIN for the spouse.