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Sep
15
Tue
2020
S Corporation (1120S) and Partnership (1065) Extensions
Sep 15 all-day
Nov
2
Mon
2020
2020 3rd Quarter Sales Tax Filing
Nov 2 all-day
Nov
16
Mon
2020
Nonprofit Corporation (990) Extensions
Nov 16 all-day
Jan
15
Fri
2021
4th quarter estimate (1040ES)
Jan 15 all-day
Feb
1
Mon
2021
2020 4th Quarter Sales Tax Filing/Annual Sales Tax Filing
Feb 1 all-day