Complete this worksheet to see if any of your Social Security and/or SSI (supplemental security income) benefits may be taxable. Current revision Notice 703 PDF Recent developments None at this time. Other items you may find useful All Notice 703 revisions About Publication 501, Exemptions, Standard Deduction, and Filing Information About Publication 915, Social Security and Equivalent Railroad Retirement Benefits Social Security Administration Other current products Related items About Form 1040, U.S. Individual Income Tax Return