Due Dates for Fiscal Year Taxpayers

Form                     Due Date

Form 1040                15th day of 4th month following fiscal
                         year end

Form 1040-ES, #1         15th day of 4th month of fiscal year

Form 1040-ES, #2         15th day of 6th month of fiscal year

Form 1040-ES, #3         15th day of 9th month of fiscal year

Form 1040-ES, #4         15th day of 1st month following fiscal
                         year end

Form 1065                15th day of 4th month following fiscal
                         year end

Form 1120                15th day of 3rd month following fiscal
                         year end

Form 1120-W, #1          15th day of 4th month of fiscal year

Form 1120-W, #2          15th day of 6th month of fiscal year

Form 1120-W, #3          15th day of 9th month of fiscal year

Form 1120-W, #4          15th day of 12th month of fiscal year

Form 2553                15th day of 3rd month following fiscal
                         year end

Form 5500                Last day of 7th month following plan year
                         end

All other payroll tax    Same as for calendar year taxpayers
returns