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Estimated Tax Payment

Deadline for Q1 2026 estimated tax payment.

Corporations: Deposit the first installment of your 2026 estimated tax.

Individuals: Pay the first installment of 2026 estimated tax - Form 1040-ES.

IRS: Estimated Taxes
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March 16

Tax Deadline: S Corps, LLCs, Partnerships

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April 15

Tax Deadline: C Corps, Trusts, Individuals