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TaxAct supports the ability to attach the shareholder’s basis worksheet when required. In order to see this option during the e-filing steps, the "basis computation required" field must be checked on the Schedule K-1 (1120-S).

During the e-filing steps, you’ll be presented an option to "Attach Documents." Click the button and then follow the prompts to attach the pdf(s).

  1. From within your TaxAct return (Online or Desktop), click Federal. On smaller devices, click in the upper left-hand corner, then click Federal.
  2. Click Business Income in the Federal Quick Q&A Topics menu to expand, then click S Corporation income (Form 1120S Schedule K-1).
  3. On the S Corporation - Corporation Details screen, check the Basis computation required checkbox.

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