Dear Action Line: Ye cats!! I found that I didn't include my United Way contribution on my federal 1040, and this is the reason I owe taxes! How do I correct this? -- O.P., Tulsa. Amending returns: ...

Taxes can be complicated, and it’s not uncommon to make a mistake on a tax return. The Internal Revenue Service recognizes this and allows taxpayers to amend their returns to correct errors they ...

One key detail was left out of the answer about filing a 1040X form if you forgot to take the Telephone Tax Rebate: You need to make sure you're using the new Form 1040X, which was updated in February ...

What do I do if I've already mailed my federal tax return and discovered I failed to transfer my deduction for mortgage interest paid from line 10 of my Schedule A worksheet to my final Schedule A ...