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Iowa Department of Revenue details electronic W‑2 and 1099 filing rules, deadlines and penalties
Summary
Iowa Department of Revenue presenters told an IASource Link webinar that employers and payers must electronically file W‑2 and 1099 forms that show Iowa tax withholding, described accepted file types and submission methods, explained correction and deletion procedures, and outlined penalties and a 30‑day extension process.
Brent Park, program manager at the Iowa Department of Revenue, told an IASource Link webinar that businesses must electronically submit W‑2s and 1099s showing Iowa tax withholding to GovConnectIowa by the statutory due date — February 15 (substituted to the next business day when the date falls on a weekend or holiday). Park and Department staff walked attendees through accepted file layouts, upload and manual‑key processes, correction steps and potential civil penalties for noncompliance.
The guidance matters for employers, payroll providers and tax software vendors because Iowa requires separate state filings even when federal filings are made to the IRS or Social Security Administration. Park said, “only W‑2s and 1099s containing Iowa tax withholding are required to be filed,” and Department staff repeated that filing to the IRS does not remove the state filing obligation.
The Department said tax year 2024 submissions will be accepted beginning Jan. 2, 2025; the system accepts the current year and the two prior tax years (three years total). Filers can submit by manual keying on GovConnectIowa, by uploading…
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