If a non-filer submits a tax year 2017, 2018 or 2019 return, and the return completes processing before December 2020, the non-filer will not need to renew the ITIN to file a return in 2021.
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If a non-filer submits a tax year 2017, 2018 or 2019 return, and the return completes processing before December 2020, the non-filer will not need to renew the ITIN to file a return in 2021.