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2023 Q2 Tax Calendar: Key Deadlines for Businesses and Employers

2023 Tax Calendar

Here are some of the key tax-related deadlines that apply to businesses and other employers during the second quarter of 2023. Keep in mind that this list isn’t all-inclusive, so there may be additional deadlines that apply to you. Contact us to ensure you’re meeting all applicable deadlines and to learn more about the filing requirements.

April 18

  • If you’re a calendar-year corporation, file a 2022 income tax return (Form 1120) or file for an automatic six-month extension (Form 7004) and pay any tax due.
  • For corporations pay the first installment of 2023 estimated income taxes.
  • For individuals, file a 2022 income tax return (Form 1040 or Form 1040-SR) or file for an automatic six-month extension (Form 4868) and pay any tax due.
  • For individuals, pay the first installment of 2023 estimated taxes, if you don’t pay income tax through withholding (Form 1040-ES).

May 1

  • Employers report income tax withholding and FICA taxes for the first quarter of 2023 (Form 941) and pay any tax due.

May 10

  • Employers report income tax withholding and FICA taxes for the first quarter of 2023 (Form 941), if they deposited on time and fully paid all of the associated taxes due.

June 15

  • Corporations pay the second installment of 2023 estimated income taxes.

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