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Electronic Filing Specifications

The IRS's electronic filing specifications, including Publication 1220 and annual transmission guidance, for the validation and transmission of Schedule 1-A data.

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Jan 13, 2026
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How will tax software validate and transmit Schedule 1‑A entries during the 2026 filing season?

Tax software will add fields and automated checks for the new Schedule 1‑A so preparers and taxpayers can report the One, Big, Beautiful Bill deductions (tips, overtime, car‑loan interest, senior enha...