The address changes depending on where you live, if there is a payment or not, and the specific Form number. Follow the link below to find your specific need: http://www.irs.gov/file/content/0,,id=105693,00.html
Forever. If you don't file (April 15 due date), then you are perpetually open to audit/assesment for that period and your return is always required.
Yes, the credit is fully refundable. You will have to file a tax return to claim it, however.
Basically from the beginning of February to APRIL 15 (+ a day if on holiday or Sunday).
you can get on but they will take what is owed and send you the rest
If you forget to include a portion of your taxes you can file an amended tax return. On your amended tax return, you can include your w-2 and you may receive more money back.
You would file your income tax return correctly and send it in. It is possible that you may have to file your correct income tax return in the mail as a paper income tax return.
http://www.irs.gov/file/index.html
how can I file an amendment to my 2010 tax return?
HOW DO I FILE A FREE STATE TAX RETURN
If you are being claimed as a dependent on your parents or anyone else's return then you will have to file a tax return. If not then no you don't have to file a return.
where do i send the tax return form?
http://www.irs.gov/file/content/0,,id=105693,00.html
If you have filed a tax return but you then realize that your return is inaccurate in some way and you wish to correct the inaccuracy, you can file a revised tax return which would be called an amended tax return.
can i e file my mass tax return for free
There is a form that you are required to file when you paper file your PA state tax return.
eveyone who earns income above a certain level has to file a tax return
Which irs office should an American living in Israel send tax return