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June 4, 2019
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A dependent had ITIN in 2015-2017. In 2018 he has received an SSN. Is it fine to submit 2017 taxes using his old ITIN, or new SSN should be used?

  • June 4, 2019
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Best answer by KrisD15

Use the new Social Security Number. Once a Social Security Number has been issued, the Social Security Administration notifies the IRS and that is the number they want you to use. 

1 reply

KrisD15
KrisD15Answer
June 4, 2019

Use the new Social Security Number. Once a Social Security Number has been issued, the Social Security Administration notifies the IRS and that is the number they want you to use. 

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June 4, 2019
Same scenario here, i used to enter ITIN, now am entering SSN and Federal rejected my online filing, saying it didnot match last year. What should i do ?