Here are some of the key tax-related deadlines affecting businesses and other employers during the first quarter of 2021. 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. January 15 Pay the final installment of 2020 estimated tax. Farmers and fishermen: Pay estimated tax for 2020. February 1 (The usual deadline of January 31 is a Sunday) File 2020 Forms W-2, “Wage and Tax Statement,” with the Social Security Administration and provide copies to your employees. Provide copies of 2020 Forms 1099-MISC, “Miscellaneous Income,” to recipients of income from your business where required. File 2020 Forms 1099-MISC reporting nonemployee compensation payments in Box 7 with the IRS. File Form 940, “Employer’s Annual Federal Unemployment (FUTA) Tax Return,” for 2020. If your undeposited tax is $500 or less, you can eithe...