2019 check from 529 was lost in mail, stopped and reissued in 2020. Vanguard will not change the 1099-Q so now I owe taxes.
My problem is related to a recent question. My 1099-Q reflects a 529 disbursement in early December that got lost in the mail, and Vanguard had to stop the check and reissue a new check in January. The college received the new check in 2020. I have contemporaneous proof that the check was lost, stopped and reissued, so can I change my 1099-Q amount to zero and add it to my 2020-1099 Q next year? Many thanks for anyone's insight!