Model 4 sellers registered under the Streamlined Sales and Use Tax Agreement may file a simplified electronic return. Beginning with tax collected in August of 2024, such a return is due on or before the last day of the month following the month in which the tax was collected. Therefore, a Model 4 seller’s simplified electronic return for tax collected in August of 2024 must be filed on or before September 30, 2024.

Iowa Administrative Code rule 701–202.1(6) sets forth the deadline for filing the simplified electronic return. This rule was recently amended. The previous rule required that all retailers registered to collect Iowa tax through the Streamlined Sales Tax Registration System file a simplified electronic return on or before the twentieth day of each month following the end of the month in which the tax was collected.

Under the new rule, a retailer registered to collect Iowa tax through the Streamlined Sales Tax Registration System as a Model 1 seller must file a simplified electronic return on or before the twentieth day of each month following the end of the month in which the tax was collected. All other retailers using the simplified electronic return, including Model 4 sellers registered under the Streamlined Sales and Use Tax Agreement, must file the return on or before the last day of the month following the end of the month in which the tax was collected.

Learn more about Streamlined Sales Tax.

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