Dates

Sep
15
Sun
2019
C Corporation Form 1120 extension
Sep 15 all-day
Foreign Trusts with U.S. Owner Form 3520-A extension
Sep 15 all-day
Partnership Form 1065 extension
Sep 15 all-day
S Corporation Form 1120S extension
Sep 15 all-day
Sep
30
Mon
2019
Trust and Estate Form 1041 extension
Sep 30 all-day
Oct
15
Tue
2019
Individual Form 1040 extension
Oct 15 all-day
Employee Benefit Plans Form 5500 extension
Oct 15 all-day
FinCEN Report 114 extension
Oct 15 all-day
Nov
15
Fri
2019
Exempt Organizations Form 990 extension
Nov 15 all-day
Jan
31
Fri
2020
W-2 due
Jan 31 all-day

Employers must file W-2s with Social Security Administration & 1099s with IRS.

1099 MISC due
Jan 31 all-day
Feb
28
Fri
2020
1099 due (filed by mail)
Feb 28 all-day
Mar
15
Sun
2020
Foreign Trusts with U.S. Owner Form 3520-A due
Mar 15 all-day
Partnership Form 1065 due
Mar 15 all-day
S Corporation Form 1120S due
Mar 15 all-day
Mar
31
Tue
2020
1099 due (filed electronically)
Mar 31 all-day
Apr
15
Wed
2020
C Corporation Form 1120 due
Apr 15 all-day
Individual Form 1040 due
Apr 15 all-day
FinCEN Report 114 due
Apr 15 all-day
Trust and Estate Form 1041 due
Apr 15 all-day