Note: TRICARE Extra is not available overseas. TRICARE Retiree Dental Program The TRICARE Retiree Dental Program (TRDP) offers comprehensive, cost-effective dental coverage to you and your family. Enrollment is voluntary, and premiums are required. For details, visit www.trdp.org.
Download article as a PDF. You must file a federal income tax return if you are a citizen or resident of the United States or a resident of Puerto Rico and you meet the filing requirements discussed below. (Note: The filing requirements discussed below are for typical individual income earners.
Whether or not you are required to file a federal income tax return depends on several things: 1  your filing status, 2  your age, 3  your income, 4  your dependency status, and. 5  whether you meet a few other special requirements.hether or not you are required to file a federal income tax return depends on several things: 1  your filing status, 2  your age, 3  your income, 4  your dependency status, and. 5  whether you meet a few other special requirements.