Certain arguments made by taxpayers in the past have been determined to have no validity in the law and, thus, are deemed to be “frivolous.” As such those who continue to advance them can be subject to a penalty of $5,000. There is an IRS list of 46 frivolous arguments. New to the list are the following:
On Form 1040X, you may file an amended return within a three-year period to claim a refund or correct a mistake made on an original or previously amended return.