Upcoming Tax Deadlines

September Monday, September 17 Corporations: File calendar year Form 1120S if you timely requested a 6-month extension. Monday, September 17 Partnerships: File calendar year Form 1065 if you timely requested a 6-month extension. Monday, September 17 Individuals: Pay the third installment of your 2018 estimated tax – Use Form 1040-ES. Monday, September 17 Corporations: Deposit the third installment of […]