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About Form 843, Claim for Refund and Request
Jan 21, 2025 Use Form 843 to claim a refund or request an abatement of certain taxes, interest, penalties, fees, and additions to tax.
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Form 843, Claim for Refund and Request for Abatement
See instructions for the forms to use. Name of person requesting the refund or abatement (see instructions). Social security number (SSN). Name of spouse if
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Form 4466 (Rev. October 2018)
Form 4466 must be filed before the corporation files its tax return. An extension of time to file the corporations tax return will not extend the time for
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