After you file

Sorry.  No.   One of the requirements for EIC is you had to be a resident for the whole year.

 

https://ttlc.intuit.com/turbotax-support/en-us/help-article/tax-credits-deductions/qualifications-ea...

 

https://www.irs.gov/credits-deductions/individuals/earned-income-tax-credit/use-the-eitc-assistant

 

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