What are the schedules that go with Form 1040?

IRS Schedule 1 lists additional income sources such as taxable state refunds, business income, alimony received, and unemployment compensation.

Adjustments include HSA deductions, self-employed health insurance, student loan interest, IRA contributions, and alimony paid, to name a few.

IRS Schedule 2 primarily deals with the Alternative Minimum Tax (AMT), Advance Premium Tax Credit, and non-income taxes, such as the self-employment tax.

IRS Schedule 3 covers nonrefundable credits (such as the foreign tax credit and the credit for child and dependent care expenses), estimated tax payments and payments made with filing extensions, and the premium tax credit.