2023 Personal Tax Deadlines Personal Taxes March 22, 2023 Documents Due to Yahr Income Tax – If your documents are uploaded to the portal by this date, we guarantee completion by the filing deadline. April 18, 2023 Filing Date with the Internal Revenue Service Personal Taxes On Extension September 15, 2023 Documents Due to Yahr Income Tax – If your documents are uploaded to the portal by this date, we guarantee completion by the filing deadline. October 16, 2023 Filing Date with the Internal Revenue Service. 2023 Estimated Tax Payment Deadlines April 18, 2023 1st Quarterly Payment Due June 15, 2023 2nd Quarterly Payment Due September 15, 2023 3rd Quarterly Payment Due January 16, 2024 4th Quarterly Payment Due Please use the estimated tax vouchers provided with your previous year’s tax returns or follow the instructions on the vouchers to pay online. If you are a new client and you need help calculating your estimated tax payments, please contact us as soon as possible. 2023 Corporate Tax Deadlines Corporate Taxes February 15, 2023 Documents Due to Yahr Income Tax – If your documents are uploaded to the portal by this date, we guarantee completion by the filing deadline. March 15, 2023 Filing Date with the Internal Revenue Service Corporate Taxes on Extension August 15, 2023 Documents Due to Yahr Income Tax – If your documents are uploaded to the portal by this date, we guarantee completion by the filing deadline. September 15, 2023 Filing Date with the Internal Revenue Service 2023 Quarterly Payroll Filing Deadlines First Quarter March 31, 2023 Quarter Ends April 15, 2023 Documents Due to Yahr Income Tax May 1, 2023 Final Filing Date Second Quarter June 30, 2023 Quarter Ends July 15, 2023 Documents Due to Yahr Income Tax July 31, 2023 Final Filing Date Third Quarter September 30, 2023 Quarter Ends October 15, 2023 Documents Due to Yahr Income Tax October 31, 2023 Final Filing Date Fourth Quarter December 31, 2023 Quarter Ends January 15, 2024 Documents Due to Yahr Income Tax January 31, 2024 Final Filing Date