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Events Calendar

The interactive calendar highlights federal and state tax due dates, special firm events and other important dates that may be of interest to you. The calendar is updated regularly, so check back often to keep track of filing requirements, deadlines, and other events that will help you stay current and up-to-date.

The calendar below shows important tax due dates and other events. Events have been categorized as Individual, Business and State tax due dates, as well as general Firm events. Hover over an event to view its details.

Business

Individual

Firm

State

May 2026

2025

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

2027

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

26 April

Employment (Electronic Filing)

Employment (KW-5)

Sales & Use (ST-36)

Sales & Use (CT-9U)

Employment (K-1)

Sales & Use (Electronic Filing)

Employment (UIA 1028)

Employment (TRD-41414)

Sales & Use (TRD-41413)

Employment (WEEKLY)

Sales & Use (RV11STRTN)

Employment (VA-5)

Employment (WHT-436)

Sales & Use (SUT-451)

Employment (WHT-436)

Sales & Use (E-file)

Business And Occupation/Privilege (E-file)

Employment (Semi-weekly Employment Deposit)

Employment (Electronic Filing)

Employment (Weekly Employment Deposit)

Employment (Semi-weekly Employment Deposit)

Employment (Weekly Employment Deposit)

Employment (Semi-weekly Employment Deposit)

Employment (FUTA)

Employment (941)

Individual Income (PIT-RES)

Individual Income (PIT-NON)

Individual Income (PIT-EXT)

Individual Income (FID-EST)

Individual Income (FID-EXT)

Individual Income (FID-TAX)

Individual Income (PIT-EST)

Individual Income (IA 1041)

Individual Income (IA 1040)

Individual Income (IA 1040ES)

Individual Income (IA 1040V)

Individual Income (96-048)

Employment (TQ01C)

Employment (A-1)

Employment (UC CR4)

Employment (DWS-ARK-209 B/C)

Employment (DWS-ARK-209 BR/CR)

Employment (DWS-ARK-209 BS/CS)

Employment (A1-QRT)

Employment (UC-018)

Employment (DE 9)

Employment (DE 88/DE 88ALL)

Employment (DE 9C)

Sales & Use (CDTFA-401-A)

Employment (DR 1094)

Employment (DR 1107)

Employment (Electronic Filing)

Employment (CT-941)

Employment (UC-5A/UC-2)

Sales & Use (OS-114)

Employment (DOES-UC30)

Employment (FR-900Q)

Employment (WTH-TAX)

Employment (UC-8/8A)

Pass-Through Income (CMP-TAX)

Pass-Through Income (CMP-EST)

Employment (RT-6)

Employment (G-7)

Employment (DOL-4N)

Employment (UC-B6)

Employment (Electronic Filing)

Pass-Through Income (Electronic Filing)

Sales & Use (32-028)

Employment (Electronic Filing)

Corporate Income/Franchise (IA 1120ES)

Corporate Income/Franchise (IA 1120)

Pass-Through Income (IA 1065)

Pass-Through Income (IA 1120S)

Corporate Income/Franchise (IA 1120F)

Pass-Through Income (IA PTE-C)

Pass-Through Income (Electronic Filing)

Corporate Income/Franchise (IA 1120V)

Corporate Income/Franchise (96-048)

Employment (TAX 020)

Employment (910)

Employment (TAX 026)

Employment (IL-941)

Employment (UI-3/40)

Employment (WH-1)

Sales & Use (ST-103)

Employment (UC-1)

Employment (UC-5)

Employment (K-CNS 100)

Employment (K-1)

Employment (EFILE)

Employment (L-1)

Employment (LWC-ES4)

Employment (Electronic Deposit)

Employment (M-941)

Employment (EFILE)

Sales & Use (ST-9)

Sales & Use (ST-9Q)

Sales & Use (Electronic Filing)

Pass-Through Income (MassTaxConnect)

Employment (DLLR/DUI 15-16)

Pass-Through Income (901ES-ME)

Employment (941ME)

Employment (ME UC-1)

Corporate Income/Franchise (4)

Pass-Through Income (4)

Corporate Income/Franchise (4567)

Pass-Through Income (4567)

Corporate Income/Franchise (4)

Corporate Income/Franchise (4891)

Employment (Wage Detail Report)

Employment (Withholding Deposit Payment)

Employment (MO-941)

Sales & Use (53-1)

Employment (MODES-4)

Sales & Use (53-C)

Employment (UI-2/3 R)

Employment (Electronic Filing)

Employment (NC-5Q)

Employment (NCUI 101)

Sales & Use (E-500)

Employment (NC-5)

Employment (306)

Sales & Use (Electronic Filing)

Employment (Electronic Filing)

Employment (941N)

Employment (UI 11T/UI 11W)

Employment (DES 200)

Employment (NJ-927)

Employment (NJ-927-W)

Employment (ES903A)

Employment (NUCS-4072)

Sales & Use (TXR-01.01)

Business And Occupation/Privilege (TXR-020.01)

Employment (NYS-45)

Employment (IT-501)

Employment (SD 101)

Employment (E-FILE)

Employment (OES-3)

Pass-Through Income (WTP10005)

Pass-Through Income (WTR10002)

Employment (OQ)

Corporate Income/Franchise (OR-CAT-V)

Employment (W-3)

Employment (UCMANAGEMENTSYSTEM)

Employment (TX-17)

Employment (RI-941)

Sales & Use (RI-STR)

Employment (WH-1605)

Employment (Electronic Filing)

Employment (21)

Employment (Electronic Filing)

Employment (C-3)

Employment (TC-941PC)

Employment (TC-941E)

Employment (EFILE)

Sales & Use (Electronic Filing)

Employment (VA-5)

Employment (VEC FC-20)

Employment (VA-16)

Employment (C-101)

Employment (5208)

Sales & Use (E-file)

Business And Occupation/Privilege (E-file)

Employment (WT-6)

Employment (UCT-101-E)

Sales & Use (ST-12)

Employment (WT-6)

Employment (WV/IT-101Q)

Employment (Electronic Filing)

Sales & Use (41)

Employment (UI/WC)

Employment (Semi-weekly Employment Deposit)

Individual Income (SC1040-V)

Individual Income (760)

Individual Income (763)

Individual Income (760PY)

Individual Income (770ES)

Individual Income (760IP)

Individual Income (770)

Individual Income (770IP)

Individual Income (760ES)

Corporate Income/Franchise (Corporation Franchise Tax Report)

Pass-Through Income (LLC Franchise Tax Report)

Employment (Semi-weekly Employment Deposit)

Corporate Income/Franchise (F-7004)

Corporate Income/Franchise (F-1120)

Employment (Semi-weekly Employment Deposit)

Pass-Through Income (DP-9)

Employment (Semi-weekly Employment Deposit)

Pass-Through Income (770ES)

Pass-Through Income (765)

Employment (Semi-weekly Employment Deposit)

Employment (910)

Employment (Semi-monthly Employment Deposit)

Employment (WEEKLY)

Employment (Semi-weekly Employment Deposit)

Employment (Electronic Filing)

Employment (Weekly Employment Deposit)

Employment (Semi-weekly Employment Deposit)

Employment (Weekly Employment Deposit)

Employment (Semi-weekly Employment Deposit)

Individual Income (Statement)

Employment (941)

Individual Income (CAT Q)

Employment (Electronic Filing)

Employment (KW-5)

Employment (K-1)

Pass-Through Income (CAT Q)

Corporate Income/Franchise (CAT Q)

Employment (WEEKLY)

Employment (Semi-weekly Employment Deposit)

Employment (Electronic Filing)

Employment (Weekly Employment Deposit)

Employment (Semi-weekly Employment Deposit)

Employment (Weekly Employment Deposit)

Employment (Semi-weekly Employment Deposit)

Employment (Monthly Employment Deposit)

Employment (Semi-weekly Employment Deposit)

Individual Income (R-6466)

Individual Income (IT-541)

Individual Income (IT-540)

Individual Income (R-2868V)

Individual Income (IT-540B)

Corporate Income/Franchise (6000)

Employment (A-6)

Corporate Income/Franchise (20C)

Employment (941M)

Employment (A1-WP)

Employment (Semi-weekly Employment Deposit)

Employment (DE 88/DE 88ALL)

Employment (Semi-weekly Employment Deposit)

Employment (DR 1094)

Employment (DR 1107)

Corporate Income/Franchise (DR 158-C)

Corporate Income/Franchise (DR 112)

Employment (Electronic Deposit)

Corporate Income/Franchise (CT-1120)

Corporate Income/Franchise (CT-1120 EXT)

Employment (W1)

Employment (GA-V)

Employment (Semi-weekly Employment Deposit)

Employment (VP-1)

Employment (Electronic Filing)

Employment (IL-501)

Employment (Semi-weekly Employment Deposit)

Corporate Income/Franchise (E-6)

Corporate Income/Franchise (IT-20)

Employment (KW-5)

Corporate Income/Franchise (K-120)

Employment (K-1)

Employment (Electronic Deposit)

Corporate Income/Franchise (CIFT-620)

Corporate Income/Franchise (Electronic Request)

Corporate Income/Franchise (CIFT-620EXT-V)

Pass-Through Income (IT-565)

Pass-Through Income (R-6922V)

Pass-Through Income (R-6467V)

Employment (M-941)

Employment (MW-506)

Employment (Semi-weekly Employment Deposit)

Sales & Use (Sales/Use I-File)

Employment (Semi-weekly Employment Deposit)

Employment (Withholding Deposit Payment)

Employment (MO-941)

Employment (89-105)

Employment (MW-1)

Employment (Semi-weekly Employment Deposit)

Corporate Income/Franchise (CIT)

Employment (NC-5)

Employment (Semi-weekly Employment Deposit)

Employment (501N)

Employment (NJ-500)

Corporate Income/Franchise (CBT-100)

Corporate Income/Franchise (CBT-200-T)

Pass-Through Income (S-Corp)

Pass-Through Income (PTE)

Employment (IT-501)

Employment (Semi-weekly Employment Deposit)

Employment (SD 101)

Employment (Semi-weekly Employment Deposit)

Corporate Income/Franchise (512)

Corporate Income/Franchise (504-C)

Employment (OTC)

Employment (Semi-weekly Employment Deposit)

Corporate Income/Franchise (20-V)

Corporate Income/Franchise (20-INC)

Corporate Income/Franchise (20)

Employment (PA-501)

Employment (Semi-weekly Employment Deposit)

Corporate Income/Franchise (REV-853)

Corporate Income/Franchise (RCT-101)

Employment (WH-1601)

Employment (Semi-weekly Employment Deposit)

Corporate Income/Franchise (05-164)

Corporate Income/Franchise (05-158-A/05-158-B)

Employment (Semi-weekly Employment Deposit)

Employment (WT-6)

Employment (WV/IT-101V)

Employment (WEEKLY)

Employment (Semi-weekly Employment Deposit)

Sales & Use (Electronic Filing)

Sales & Use (ET-1)

Employment (Semi-weekly Employment Deposit)

Sales & Use (TPT-EZ)

Sales & Use (TPT-2)

Employment (Semi-weekly Employment Deposit)

Sales & Use (DR-100)

Employment (Electronic Filing)

Employment (Weekly Employment Deposit)

Sales & Use (FR-800M)

Employment (FR-900P)

Sales & Use (DR-15)

Sales & Use (ST-3)

Employment (Semi-weekly Employment Deposit)

Sales & Use (G-45)

Employment (Semi-weekly Employment Deposit)

Employment (910)

Sales & Use (850)

Employment (910)

Sales & Use (ST-1)

Employment (Semi-weekly Employment Deposit)

Employment (WH-1)

Sales & Use (ST-103)

Sales & Use (Electronic Filing)

Sales & Use (R-1029)

Sales & Use (SUT 202)

Employment (Semi-weekly Employment Deposit)

Sales & Use (5080)

Employment (5080)

Sales & Use (MN E-Services)

Employment (Semi-weekly Employment Deposit)

Sales & Use (72-010)

Sales & Use (72-110)

Employment (Semi-weekly Employment Deposit)

Sales & Use (E-500)

Employment (Semi-weekly Employment Deposit)

Sales & Use (10)

Sales & Use (ST-51)

Employment (Weekly Employment Deposit)

Sales & Use (ST-809)

Employment (Semi-weekly Employment Deposit)

Employment (WTH10004)

Sales & Use (STS-20002-C)

Sales & Use (SVU-20005-B)

Sales & Use (STS-20002-C)

Sales & Use (SVU-20005-B)

Employment (Semi-weekly Employment Deposit)

Sales & Use (PA-3)

Employment (Semi-monthly Employment Deposit)

Employment (Semi-weekly Employment Deposit)

Employment (WTM/RI-941M)

Sales & Use (RI-STR)

Employment (Semi-weekly Employment Deposit)

Sales & Use (ST-3/ST-389)

Sales & Use (RV11STRTN)

Sales & Use (SLS 450)

Sales & Use (01-114)

Sales & Use (01-117)

Employment (Semi-weekly Employment Deposit)

Sales & Use (ST-1)

Employment (Semi-weekly Employment Deposit)

Sales & Use (ST-12)

Sales & Use (WV CST-200 CU)

Employment (Semi-weekly Employment Deposit)

Employment (Electronic Filing)

Employment (KW-5)

Sales & Use (ST-36)

Sales & Use (CT-9U)

Employment (K-1)

Sales & Use (Electronic Filing)

Employment (TRD-41414)

Sales & Use (TRD-41413)

Sales & Use (UUT-1)

Sales & Use (UST-1)

Employment (WEEKLY)

Sales & Use (RV11STRTN)

Employment (VA-5)

Sales & Use (SUT-451)

Employment (WHT-430)

Sales & Use (E-file)

Business And Occupation/Privilege (E-file)

Employment (Semi-weekly Employment Deposit)

Employment (Electronic Filing)

Employment (Weekly Employment Deposit)

Employment (Semi-weekly Employment Deposit)

Employment (Weekly Employment Deposit)

Employment (Semi-weekly Employment Deposit)

1 June

Individual Income (5498)

Individual Income (8809)

Business And Occupation/Privilege (PRO 404)

Sales & Use (CDTFA-401-A)

Sales & Use (OS-114)

Corporate Income/Franchise (F-1120ES)

Sales & Use (32-028)

Employment (WH-1)

Sales & Use (ST-103)

Employment (L-1V)

Employment (Electronic Deposit)

Sales & Use (ST-9)

Sales & Use (Electronic Filing)

Sales & Use (53-1)

Sales & Use (53-C)

Sales & Use (Electronic Filing)

Sales & Use (TXR-01.01)

Employment (WEEKLY)

Employment (TC-941PC)

Sales & Use (Electronic Filing)

Employment (WT-6)

Sales & Use (ST-12)

Employment (WT-6)

Sales & Use (41)

Employment (Semi-weekly Employment Deposit)

Employment (Electronic Filing)

Employment (Weekly Employment Deposit)

Employment (Semi-weekly Employment Deposit)

Employment (Weekly Employment Deposit)

Employment (Semi-weekly Employment Deposit)

Employment (Semi-monthly Employment Deposit)

Employment (Semi-weekly Employment Deposit)

Employment (910)

Employment (Semi-weekly Employment Deposit)