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Diagnostic Error - IRS Requires a PDF attachment if Sch B1 is used in the return. PDF attachments are not currently supported in the federal 1120S module 2018- SureFire - IRS Requires a PDF attachment if Sch B1 is used in the return. PDF attachments are not currently supported in the federal 1120S m

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🧩 What to Do

Step 1: Confirm the Sch B1 selection

Use this when you need to verify whether your Sch B1 response is correct.

On 1120S, page 2, line 3, the question is answered yes to add Sch B1. If this response is correct, continue to the next step.

Step 2: Paper file the return

Use this when you need to submit the return because a PDF attachment is required.

If the response is correct, you will need to paper file this return.

Tags: diagnostic,federal,form