 Income tax 2023-2024. HSA, health savings account, moving expenses, deductible part of self-employment tax and self-employed SEP, simple and qualified plans. Get ready and some coffee so that you don't find income tax preparation to be too taxing. Most of this information can be found in the Instructions for Schedule 1 section of the Form 1040 Instructions tax year 2023, which you can find on the IRS website at iris.gov, iris.gov. Looking at the income tax formula, we're focused online to adjustments to income, which you might hear called above the line deductions or Schedule 1 deductions. Remember, in the first half of the income tax formula, it's basically a funny income statement. Most income statements having income minus expenses resulting in net income. Here we have income minus various deductions.