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 ...

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 ...