Your partner should not attempt to file an amended return until the original return has been processed by the IRS. See this help article for more information.
In the meantime, if you e-file a return that includes a child already claimed on another return, your return will be rejected from e-filing.
You can, instead, as suggested by @taxlady28, print and mail your return with the correct dependent(s). When the IRS detects that the same dependent has been claimed on more than one return, they will typically issue audit notices to both taxpayers and request documentation to establish which taxpayer is entitled to the dependent.
See this TurboTax article for more information on duplicated dependents.
@MissD92
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"
