Corcoran & Associates

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

January 2026

2025

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

2027

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

28 December

Employment (Semi-weekly Employment Deposit)

Employment (WH-1)

Sales & Use (ST-103)

Sales & Use (ST-9)

Sales & Use (Electronic Filing)

Employment (Semi-weekly Employment Deposit)

Sales & Use (CDTFA-401-A)

Employment (Electronic Filing)

Employment (Weekly Employment Deposit)

Sales & Use (OS-114)

Corporate Income/Franchise (F-1120ES)

Employment (Semi-weekly Employment Deposit)

Corporate Income/Franchise (1120ES)

Pass-Through Income (Electronic Filing)

Corporate Income/Franchise (96-048)

Sales & Use (32-028)

Employment (L-1V)

Employment (Electronic Deposit)

Employment (Semi-weekly Employment Deposit)

Pass-Through Income (4567)

Corporate Income/Franchise (4567)

Corporate Income/Franchise (4891)

Employment (Semi-weekly Employment Deposit)

Sales & Use (53-1)

Sales & Use (53-C)

Employment (Semi-weekly Employment Deposit)

Sales & Use (TXR-01.01)

Employment (Weekly Employment Deposit)

Employment (Semi-weekly Employment Deposit)

Sales & Use (Electronic Filing)

Employment (Semi-weekly Employment Deposit)

Pass-Through Income (TC-75)

Employment (TC-941PC)

Sales & Use (Electronic Filing)

Employment (Semi-weekly Employment Deposit)

Sales & Use (41)

Employment (Semi-weekly Employment Deposit)

Employment (WT-6)

Sales & Use (ST-12)

Employment (WT-6)

Employment (Semi-weekly Employment Deposit)

Employment (910)

Employment (Semi-weekly Employment Deposit)

Employment (WEEKLY)

Employment (Semi-weekly Employment Deposit)

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)

Employment (Electronic Filing)

Employment (KW-5)

Employment (WEEKLY)

Individual Income (Statement)

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 (A-6)

Employment (A1-WP)

Pass-Through Income (120/165ES)

Employment (941M)

Pass-Through Income (AR1000CRES)

Pass-Through Income (AR1100ESPET)

Employment (DE 88/DE 88ALL)

Pass-Through Income (592)

Pass-Through Income (592-V)

Pass-Through Income (592-Q)

Pass-Through Income (540-ES)

Employment (DR 1094)

Employment (DR 1107)

Employment (Electronic Deposit)

Pass-Through Income (CT-PET ES)

Employment (W1)

Pass-Through Income (CMP-EST)

Employment (GA-V)

Pass-Through Income (CR-ES)

Employment (HW-14)

Employment (VP-1)

Employment (IL-501)

Employment (KW-5)

Pass-Through Income (740NP-WH-ES)

Pass-Through Income (EFILE)

Pass-Through Income (740-PTET-ES)

Employment (L-1)

Sales & Use (Sales/Use I-File)

Pass-Through Income (1040C-ES-ME)

Employment (MW-506)

Pass-Through Income (510D)

Pass-Through Income (MassTaxConnect)

Corporate Income/Franchise (4913)

Pass-Through Income (MTO)

Employment (Withholding Deposit Payment)

Pass-Through Income (Payment Voucher)

Employment (89-105)

Pass-Through Income (MO-1040ES)

Employment (MW-1)

Pass-Through Income (SB)

Pass-Through Income (PR)

Pass-Through Income (Electronic Filing)

Pass-Through Income (NJ-1040-ES)

Pass-Through Income (PTE-150)

Individual Income (PIT-ES)

Pass-Through Income (CT-2658)

Pass-Through Income (IT-2658)

Pass-Through Income (IT-2105)

Corporate Income/Franchise (40-ES)

Employment (IT-501)

Employment (SD 101)

Pass-Through Income (IT 1140 UPC)

Pass-Through Income (IT 4708 UPC)

Pass-Through Income (IT 4738 UPC)

Corporate Income/Franchise (OW-8-ESC)

Pass-Through Income (OW-8-ESC)

Employment (OTC)

Pass-Through Income (OR-21-V)

Pass-Through Income (OC-V)

Pass-Through Income (OR-19-V)

Pass-Through Income (PA-20S/PA-65 ES (P/S))

Pass-Through Income (RI 1040C-ES)

Employment (WH-1601)

Pass-Through Income (SC1065ES)

Corporate Income/Franchise (Electronic Filing)

Pass-Through Income (WH-435)

Pass-Through Income (770ES)

Employment (WV/IT-101V)

Employment (WT-6)

Pass-Through Income (3-ES)

Individual Income (1040-ES)

Individual Income (1041-ES)

Individual Income (40ES)

Individual Income (140ES)

Individual Income (AR1000ES)

Individual Income (AR1002ES)

Individual Income (541-ES)

Individual Income (540-ES)

Individual Income (DR 104EP)

Individual Income (CT-1040 ES)

Individual Income (CT-1041-ES)

Individual Income (FID-EST)

Individual Income (PIT-EST)

Individual Income (D-40ES)

Individual Income (D-41ES)

Individual Income (500-ES)

Individual Income (IL-1040-ES)

Individual Income (ES-40)

Individual Income (K-40ES)

Individual Income (740-ES)

Individual Income (IT-540ES)

Individual Income (1041ES-ME)

Individual Income (1040ES-ME)

Individual Income (504D)

Individual Income (PV)

Individual Income (2-ES)

Individual Income (1-ES)

Individual Income (MI-1041ES)

Individual Income (MI-1040ES)

Individual Income (Payment Voucher)

Individual Income (80-106)

Individual Income (MO-1040ES)

Individual Income (IT)

Individual Income (FID)

Individual Income (1040N-ES)

Individual Income (NJ-1040-ES)

Individual Income (FID-ES)

Individual Income (IT-2106)

Individual Income (IT-2105)

Individual Income (NC-40)

Individual Income (38-ES)

Individual Income (ND-1ES)

Individual Income (UPC-1041ES)

Individual Income (OUPC)

Individual Income (OW-8-ES)

Individual Income (40-V)

Individual Income (PA-40ES/PA-40ESR (F/C))

Individual Income (PA-40ES(I)/PA-40ESR(I))

Individual Income (RI-1041ES)

Individual Income (RI-1040ES)

Individual Income (SC1041ES)

Individual Income (SC1040ES)

Individual Income (IN-114)

Individual Income (FIT-165)

Individual Income (770ES)

Individual Income (760ES)

Individual Income (IT-140ES)

Individual Income (1-ES)

Employment (Semi-weekly Employment Deposit)

Sales & Use (Electronic Filing)

Sales & Use (TPT-EZ)

Sales & Use (TPT-2)

Sales & Use (ET-1)

Sales & Use (DR-100)

Sales & Use (FR-800M)

Employment (FR-900P)

Sales & Use (DR-15)

Sales & Use (ST-3)

Sales & Use (G-45)

Corporate Income/Franchise (N-201V)

Pass-Through Income (N-201V)

Employment (910)

Sales & Use (850)

Employment (910)

Sales & Use (ST-1)

Employment (WH-1)

Sales & Use (ST-103)

Sales & Use (Electronic Filing)

Sales & Use (R-1029)

Sales & Use (SUT 202)

Sales & Use (5080)

Employment (5080)

Sales & Use (MN E-Services)

Sales & Use (72-010)

Sales & Use (72-110)

Sales & Use (72-010)

Sales & Use (72-110)

Sales & Use (72-010)

Sales & Use (72-110)

Sales & Use (10)

Sales & Use (ST-50)

Sales & Use (ST-809)

Sales & Use (E-500)

Employment (WTH10001)

Employment (WTH10004)

Sales & Use (STS-20002-C)

Sales & Use (SVU-20005-B)

Sales & Use (STS-20002-C)

Sales & Use (SVU-20005-B)

Sales & Use (PA-3)

Employment (WEEKLY)

Sales & Use (RI-STR)

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

Sales & Use (RV11STRTN)

Sales & Use (SLS 450)

Sales & Use (01-114)

Sales & Use (01-117)

Sales & Use (ST-1)

Sales & Use (WV CST-200 CU)

Sales & Use (ST-12)

Individual Income (N-200V)

Employment (Semi-weekly Employment Deposit)

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)

Sales & Use (UUT-1)

Sales & Use (UST-1)

Employment (Semi-weekly Employment Deposit)

Sales & Use (UUT-1)

Employment (Semi-weekly Employment Deposit)

Employment (Electronic Filing)

Employment (KW-5)

Sales & Use (ST-36)

Sales & Use (CT-9U)

Sales & Use (Electronic Filing)

Employment (UIA 1028)

Employment (TRD-41414)

Sales & Use (TRD-41413)

Employment (WEEKLY)

Sales & Use (RV11STRTN)

Employment (WHT-436)

Sales & Use (SUT-451)

Employment (WHT-436)

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)

Employment (WH-1)

Sales & Use (ST-103)

Employment (Semi-weekly Employment Deposit)

Sales & Use (ST-9)

Sales & Use (ST-9Q)

Sales & Use (ST-9A)

Sales & Use (Electronic Filing)

Employment (Semi-weekly Employment Deposit)

Employment (NJ-927)

Employment (NJ-927-W)

Employment (Semi-weekly Employment Deposit)

Pass-Through Income (WTR10002)

Employment (Semi-weekly Employment Deposit)

Info Center

Events Calendar