5. Understanding Form 1040

Form 1040 is perhaps the most recognized IRS tax form. It’s used by individual taxpayers to file their annual income tax returns, reporting income and calculating the amount of tax owed.

6. Form W-2: What You Need to Know

Issued by employers, the W-2 form provides an account of an employee’s income and tax deductions for a specific year. It’s a crucial document for filing accurate income tax returns.