Business Return Due Dates

Modified on Sat, 04 Mar 2023 at 10:01 PM

Business return due dates by form number 
(calendar year filers)
March 15, 2023April 18, 2023
Form 1120-SForm 1041 (estate other than a bankruptcy estate)
Form 1042Form 1041(Trust)
Form 1065Form 1041 (bankruptcy estate only)
Form 1065-BForm 1120
Form 3520-AForm 1120-F
Form 8612Form 1120-FSC
Form 8613Form 1120-H
Form 8804Form 1120-L
Form 1066Form 1120-ND
 Form 1120-ND (Section 4951 taxes)
 Form 1120-PC
 Form 1120-POL
 Form 1120-REIT
 Form 1120-RIC
 Form 1120-SF
 Form 706-GS (D)
 Form 706-GS (T)
 Form 1041-N
 Form 1041-QFT
 Form 1066
 Form 8831
 Form 8928

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