April 2021
Monday Tuesday Wednesday Thursday Friday Saturday Sunday
March 29, 2021 March 30, 2021

All day: Mar 30th Monthly filer WH-1 and ST-103

March 31, 2021 April 1, 2021 April 2, 2021 April 3, 2021 April 4, 2021
April 5, 2021 April 6, 2021 April 7, 2021 April 8, 2021 April 9, 2021 April 10, 2021 April 11, 2021
April 12, 2021 April 13, 2021 April 14, 2021 April 15, 2021

All day: Apr 15th Monthly 941 deposit, Individual Form 1040, C Corporation Form 1120, Gift Tax Return Form 709, Indiana S Corporation IT-20S, Indiana Partnership Form IT-65, 1st Qtr. federal and state individual estimates, 1st Qtr. federal business estimate

April 16, 2021 April 17, 2021 April 18, 2021
April 19, 2021 April 20, 2021

All day: Apr 20th Early filer WH-1 and ST-103, 1st Qtr. state business estimate

April 21, 2021 April 22, 2021 April 23, 2021 April 24, 2021 April 25, 2021
April 26, 2021 April 27, 2021 April 28, 2021 April 29, 2021 April 30, 2021

All day: Apr 30th Monthly filer WH-1 and ST-103, 1st Qtr. 941, 1st Qtr. UC-1 and UC-5A, 1st Qtr. 940 deposit

May 1, 2021 May 2, 2021

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