ANNISTON ARMY DEPOT, Ala. -- Tax Day 2020 is April 15th.One of the 14 basic principles of Ethical Conduct in the Joint Ethics Regulation, applicable to all Department of Defense employees, is to satisfy, in good faith, their obligations as citizens, including income tax return requirements.The foundation for federal income taxes is premised upon the 16th Amendment to the U.S. Constitution, which Congress passed in 1909 and was ratified on February 3, 1913.Visit for information and forms you need to file your annual federal tax returns.You may also visit for Alabama tax filing information.Failure to file your income tax return or failure to pay your taxes may result in serious consequences, including penalties and interest imposed by the Internal Revenue Service, damage to your credit rating score and your ability to borrow money.Failure to pay your taxes is also a violation of the Joint Ethics Regulation and could result in disciplinary action at work.Military service members, military retirees and their dependents are entitled to tax assistance.Military members and retirees may contact the Redstone Arsenal Tax Center for assistance.Appointments are required for use of this service.Military service members and retirees may contact 256-842-1040 to schedule an appointment.Tax assistance is also available to military service members and retirees at