Form 1120-S is the federal income tax return filed by S corporations to report their income, gains, losses, and deductions. What Is Form 1120-S: U.S. Income Tax Return for an S Corporation?

When calculating the cost of labor on an Internal Revenue Service Form 1120 corporate tax return, keep one simple rule in mind: If you have already deducted the expense elsewhere, don't include it ...

If you have formed a limited liability company that is being taxed as an S corporation, also called an S Corp, you will at some point need to become acquainted with form 1120-S. The IRS Form 1120 ...