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Form 1040 - Schedule K-1 (Form 1120S) Overview

Schedule K-1 (Form 1120S) is a source document that is prepared by a corporation as part of the filing of their tax return (Form 1120S). After filing Form 1120S, each shareholder is provided a Schedule K-1 by the corporation. The K-1 reflects a shareholder's share of income, deductions, credits and other items that the shareholder will need to report on their individual tax return (Form 1040).

Most of the items contained on a Schedule K-1 are entered on a specifically designed K-1 Input Menu in the program. Amounts entered will then pull to the appropriate form, schedule or line of the taxpayer’s 1040. Some items may have to be entered on other entry menus based on the item and/or the election that the taxpayer makes on how to treat that income, deduction or credit item.

The actual K-1 (Form 1120S) consists of three parts:

Part I - Information about the Corporation. This section contains basic information on the corporation such as its Name, Address and EIN. See: Form 1040 - Schedule K-1 (Form 1120S) - Heading Information.

Part II - Information about the Shareholder. This section contains information about the shareholder and their investment in the corporation. Specifically, this section identifies the percentage of stock ownership that the shareholder has for the tax year. 

Part III - Shareholder's Share of Current Year Income, Deductions, Credits, and Other Items. This section is used to report the shareholder's share of any of the corporation's Income, Deductions, Credits, etc. See: Form 1040 - Schedule K-1 (Form 1120S) - Income (Loss) Items, Deductions, Credits & Foreign Transactions, Alternative Minimum Tax (AMT) Items, Items Affecting Shareholder Basis, and Other Information.

To assist in the entry of a Schedule K-1 (Form 1120S), review the Shareholder’s  Instructions for Schedule K-1 (Form 1120S) and any instructional information that the corporation provided the taxpayer/shareholder with the K-1.

To enter a K-1 (Form 1120S) in Web1040 Pro from the Main Menu of the Tax Return (Form 1040) select:

  • Federal Section
  • Income Menu
  • Less Common Income
  • K-1 Earnings
  • Select 'Begin' next to Schedule K-1 (Form 1120S).

NOTE: This is a guide on entering Schedule K-1 (Form 1120S) into the Web1040 Pro program.  This is not intended as tax advice.

Additional Resources:

Shareholder’s  Instructions for Schedule K-1 (Form 1120S)

Form 1040 - Schedule K-1 (Form 1120S) - Entity Information

Form 1040 - Schedule K-1 (Form 1120S) - Income

Form 1040 - Schedule K-1 (Form 1120S) - Deductions

Form 1040 - Schedule K-1 (Form 1120S) - Credits