but form 8949 is listed and that's the one you check. the last one on the form. each security sales not classified as type A or D must be entered on form 8949 also any classified as A or D but having adjustments must also be reported on form 8949. be sure to follow instructions for form 8453
If you are filing your tax return using an online provider, mail Form 8453 to the IRS within 3 business days after you have received acknowledgement from your intermediate service provider and/or transmitter that the IRS has accepted your electronically filed tax return. If you don’t receive an acknowledgement, you must contact your intermediate service provider and/or transmitter. Mail Form 8453 to:
Internal Revenue Service
Attn: Shipping and Receiving, 0254
Receipt and Control Branch
Austin, TX 73344-0254
