📝Amended returns correct errors or omissions on the original return without replacing it.
⏰Amended returns must be filed within the appropriate statute of limitations to claim a refund.
💲Superseded returns replace the original return completely and have a tighter filing deadline.
🔢Use the 1040X to input original amounts, make corrections, and calculate the new tax liability.
📉An example scenario demonstrates correcting capital gains reported on the original return.