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For all  three years we reported 1/3 of the distribution on the form 8915 and were taxed   on the additional amount. The question is -we made one repayment before we filed taxes last year for 2022.  

We paid tax  in 2022  on the 1/3 portion  for the third time  but did not credit ourselves for the  one  repayment  made .  The question  is -can we report the repayment this year  for 2023 or do we need to do an amended return for 2022?