Several taxpayers and preparer penalties depend on whether a tax return has been filed by its due date. Send to your instructor a discussion of no more than two pages about how the Code and Regulations determine whether a return has been filed on a timely basis. Include in your review aspects of this issue in filing a return using the postal service, TurboTax, and FedEx. Use internet tax resources to address the following questions. Look for reliable websites and blogs of the IRS and other government agencies, media outlets, businesses, tax professionals, academics, think tanks, and political outlets