Here are some of the key tax-related deadlines affecting businesses and other employers during the first quarter of 2023. Keep in mind that this list isn’t all-inclusive, so there may be additional deadlines that apply to you. If you have questions about filing requirements, contact us. We can ensure you’re meeting all applicable deadlines. January 17 (The usual deadline of January 15 is on a Sunday and January 16 is a federal holiday) Pay the final installment of 2022 estimated tax. Farmers and fishermen: Pay estimated tax for 2022. If you don’t pay your estimated tax by January 17, you must file your 2022 return and pay all tax due by March 1, 2023, to avoid an estimated tax penalty. January 31 File 2022 Forms W-2, “Wage...