1.Social Security numbers for everyone on the return.
2.Bank account and routing numbers for direct deposit.
3.Forms W-2 from employers.
4.Forms 1099 from banks and other payers.
5.Income statements for Self employed.
6.Form 1099-INT for interest received.
7.Other income documents and virtual currency transaction records.
8.Form 1095-A for health insurance information.
9.Letters 6419 and 6475 for tax credits.
10.Valid form of identification