March 15, 2019
- S Corporations (1120S) and Partnerships (1065) taxes due
- Initial deadline for “S” Corporation Application (form 2553) for year 2019
April 15, 2019
- Individual (1040) and Corporate (1120) taxes due
- Initial due date for first estimated tax payment for year 2019 (form (1040-ES, AZ 140-ES)
May 15, 2019
- Initial due date for exempt organization form 990 series filings for calendar year entities
Extension Dates
An extension of time should be filed by the initial tax deadline for the appropriate tax forms as listed.
September 16, 2019
- Extended filing date for 1120-S & 1065
September 30, 2019
- Extended filing date for 1041 (fiduciary estate / trust) income tax returns
October 15, 2019
- Extended filing date for 1120 & 1040