 Income tax 2023-2024. Social security number SSN. Get ready and some coffee because we need to know a lot of information to do income tax preparation 2023-2024. Most of this information can be found in the line instructions of form 1040 instructions tax year 2023 which you can find on the IRS website at irs.gov irs.gov. Social security number or SSN. So obviously the IRS sees us as a number and we've got to have the right number in order to properly file the tax return noting that oftentimes the tax returns are filed electronically these days so we're going to need that social security number matching up properly with the name so that we can make sure and be able to process the returns on that electronic format otherwise it might get