Corcoran & Associates

Info Center

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

August 2025

2024

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

2026

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

27 July

Employment (WEEKLY)

Employment (Semi-weekly Employment Deposit)

Employment (Electronic Filing)

Employment (Weekly Employment Deposit)

Employment (Semi-weekly Employment Deposit)

Employment (WH-1)

Sales & Use (ST-103)

Employment (Semi-weekly Employment Deposit)

Sales & Use (ST-9)

Sales & Use (ST-9Q)

Sales & Use (Electronic Filing)

Employment (Semi-weekly Employment Deposit)

Employment (NJ-927)

Employment (Weekly Employment Deposit)

Employment (NJ-927-W)

Employment (Semi-weekly Employment Deposit)

Pass-Through Income (WTR10002)

Employment (Semi-weekly Employment Deposit)

Employment (941)

Employment (FUTA)

Employment (5500)

Employment (5558)

Employment (A-1)

Employment (UC CR4)

Employment (TQ01C)

Employment (A1-QRT)

Employment (UC-018)

Employment (DWS-ARK-209 B/C)

Employment (DWS-ARK-209 BR/CR)

Employment (DWS-ARK-209 BS/CS)

Employment (DE 9)

Employment (DE 88/DE 88ALL)

Employment (DE 9C)

Sales & Use (CDTFA-401-A)

Employment (DR 1094)

Employment (UITR-1)

Employment (DR 1107)

Employment (CT-941)

Employment (UC-5A/UC-2)

Sales & Use (OS-114)

Employment (WTH-TAX)

Employment (UC-8/8A)

Employment (DOES-UC30)

Employment (FR-900Q)

Employment (RT-6)

Employment (G-7)

Employment (DOL-4N)

Employment (UC-B6)

Employment (TAX 020)

Employment (910)

Employment (TAX 026)

Employment (IL-941)

Employment (UI-3/40)

Employment (UC-1)

Employment (UC-5)

Employment (Electronic Filing)

Pass-Through Income (Electronic Filing)

Sales & Use (32-028)

Employment (Electronic Filing)

Employment (K-CNS 100)

Employment (K-1)

Employment (EFILE)

Employment (L-1)

Employment (LWC-ES4)

Employment (Electronic Deposit)

Pass-Through Income (901ES-ME)

Employment (941ME)

Employment (ME UC-1)

Employment (DLLR/DUI 15-16)

Employment (M-941)

Employment (EFILE)

Pass-Through Income (MassTaxConnect)

Employment (Wage Detail Report)

Employment (Withholding Deposit Payment)

Employment (UI-2/3 R)

Employment (MO-941)

Sales & Use (53-1)

Employment (MODES-4)

Sales & Use (53-C)

Employment (Electronic Filing)

Employment (941N)

Employment (UI 11T/UI 11W)

Employment (NUCS-4072)

Sales & Use (TXR-01.01)

Business And Occupation/Privilege (TXR-020.01)

Employment (DES 200)

Employment (ES903A)

Employment (NYS-45)

Employment (NC-5Q)

Employment (NCUI 101)

Sales & Use (E-500)

Employment (NC-5)

Employment (306)

Sales & Use (Electronic Filing)

Employment (Electronic Filing)

Employment (IT-501)

Employment (IT 942)

Employment (SD 101)

Employment (E-FILE)

Employment (OES-3)

Pass-Through Income (WTP10005)

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 (LB-0851/LB-0456)

Employment (C-3)

Employment (TC-941PC)

Sales & Use (TC-62)

Employment (TC-941PC)

Employment (TC-941E)

Employment (EFILE)

Employment (C-101)

Employment (VA-5)

Employment (VEC FC-20)

Employment (VA-16)

Employment (5208)

Sales & Use (E-file)

Business And Occupation/Privilege (E-file)

Employment (WV/IT-101Q)

Employment (WVUC-A-154/WVUC-A-154-A)

Employment (WT-6)

Employment (UCT-101-E)

Sales & Use (ST-12)

Employment (WT-6)

Sales & Use (41)

Employment (UI/WC)

Employment (Semi-weekly Employment Deposit)

Employment (WEEKLY)

Employment (910)

Employment (Semi-monthly Employment Deposit)

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)

Corporate Income/Franchise (CAT Q)

Pass-Through Income (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)

Corporate Income/Franchise (EXC-F025)

Employment (Monthly Employment Deposit)

Employment (Semi-weekly Employment Deposit)

Employment (A-6)

Employment (A1-WP)

Employment (Semi-weekly Employment Deposit)

Employment (941M)

Employment (DE 88/DE 88ALL)

Employment (Semi-weekly Employment Deposit)

Employment (DR 1094)

Employment (DR 1107)

Employment (Electronic Deposit)

Employment (W1)

Employment (GA-V)

Employment (Semi-weekly Employment Deposit)

Employment (IL-501)

Employment (Semi-weekly Employment Deposit)

Employment (Electronic Filing)

Employment (KW-5)

Employment (K-1)

Employment (Electronic Deposit)

Employment (Semi-weekly Employment Deposit)

Sales & Use (Sales/Use I-File)

Employment (MW-506)

Employment (M-941)

Employment (Semi-weekly Employment Deposit)

Employment (Withholding Deposit Payment)

Employment (89-105)

Employment (MO-941)

Employment (MW-1)

Employment (Semi-weekly Employment Deposit)

Employment (501N)

Employment (NJ-500)

Employment (NC-5)

Employment (Semi-weekly Employment Deposit)

Employment (IT-501)

Employment (Semi-weekly Employment Deposit)

Employment (SD 101)

Employment (Semi-weekly Employment Deposit)

Employment (OTC)

Employment (Semi-weekly Employment Deposit)

Employment (PA-501)

Employment (Semi-weekly Employment Deposit)

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 (WV/IT-101V)

Employment (WT-6)

Employment (VP-1)

Employment (WEEKLY)

Employment (Semi-weekly Employment Deposit)

Sales & Use (Electronic Filing)

Employment (Semi-weekly Employment Deposit)

Sales & Use (TPT-EZ)

Sales & Use (TPT-2)

Sales & Use (ET-1)

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 (51A102)

Sales & Use (R-1029)

Employment (Semi-weekly Employment Deposit)

Sales & Use (SUT 202)

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 (10)

Sales & Use (ST-51)

Employment (Weekly Employment Deposit)

Sales & Use (ST-809)

Sales & Use (E-500)

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-9)

Sales & Use (ST-8)

Employment (Semi-weekly Employment Deposit)

Sales & Use (WV CST-200 CU)

Sales & Use (ST-12)

Employment (Semi-weekly Employment Deposit)

Employment (Electronic Filing)

Employment (KW-5)

Sales & Use (ST-36)

Sales & Use (51A103)

Employment (K-1)

Employment (TRD-41414)

Sales & Use (TRD-41413)

Sales & Use (UUT-1)

Sales & Use (UST-1)

Employment (WEEKLY)

Sales & Use (RV11STRTN)

Sales & Use (SUT-451)

Employment (WHT-430)

Employment (VA-5)

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 September

Sales & Use (CDTFA-401-A)

Sales & Use (OS-114)

Employment (WH-1)

Sales & Use (ST-103)

Sales & Use (32-028)

Employment (L-1V)

Employment (Electronic Deposit)

Sales & Use (ST-9)

Sales & Use (Electronic Filing)

Sales & Use (53-1)

Sales & Use (53-C)

Sales & Use (TXR-01.01)

Sales & Use (Electronic Filing)

Employment (WEEKLY)

Employment (TC-941PC)

Sales & Use (TC-62)

Employment (WT-6)

Sales & Use (ST-12)

Employment (WT-6)

Sales & Use (41)

Employment (Electronic Filing)

Employment (Semi-weekly Employment Deposit)

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)