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When filing for an NOL, do you have to file the amended previous years' returns after the NOL return?
Your CPA doesn't need to file anything, so don't worry about him being sidetracked. You are the one doing the filing. Since the amended returns have to be filed on paper, you'll actually go and mail a package to the IRS (each return in a separate envelope). The reason the CPA suggests to file the amended returns after the current one, is to ensure the NOL is registered in the system before the amended returns are processed. The IRS doesn't have to automatically accept the amended returns, and if there's no NOL on the current year they may just bounce the amended returns back to you. Keep in mind that since you haven't filed your return by the due date (including extensions), you're now unable to forego the carry-back. I don't know if you discussed this with your CPA, but you're allowed, if you chose so, to not apply the NOL to prior years, and instead to apply it forward for the next 20 years (or until it runs out). Depending on your income pattern, that might have been something you could have considered, but you can only chose this if you file a statement before the due date (with extensions), which is now passed.