You should also use Form 843 for anyone who is requesting a refund of penalties and interest or an addition to tax which you already paid out. When you have a printed duplicate of the original return, go back to the Q&A and make the needed changes. Create a note https://how-to-correct-tax-return56666.blogozz.com/34596559/the-basic-principles-of-how-to-fix-errors-on-a-previously-filed-tax-return