But...guessing as to what your situation is.
IF yoru account is closed, such that you cannot log in to import tax documents, then you have to enter your tax data in those form areas manually.
...using whatever paper copies the account's financial provider sent to you ( or at least should-have sent to you)
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*
