Monday, Mar 15th, 2021
Deadline for corporate tax returns (Forms 1120, 1120-A, and 1120-S) for tax year 2020, or to request an automatic six-month extension of time to file (Form 7004) for corporations that use the calendar year as their tax year, and for filing partnership tax returns (Form 1065) or to request an automatic five-month extension of time to file (Form 7004)
