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

March 2025

2024

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

2026

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

23 February

Sales & Use (UUT-1)

Sales & Use (UST-1)

Employment (WEEKLY)

Sales & Use (SUT-451)

Employment (WHT-430)

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 (RV11STRTN)

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)

Corporate Income/Franchise (1098)

Individual Income (W-2G)

Employment (Semi-weekly Employment Deposit)

Corporate Income/Franchise (8809)

Individual Income (8809)

Corporate Income/Franchise (1099-MISC)

Employment (Semi-weekly Employment Deposit)

Employment (AR3MAR)

Employment (Semi-weekly Employment Deposit)

Sales & Use (CDTFA-401-A)

Sales & Use (OS-114)

Employment (Semi-weekly Employment Deposit)

Sales & Use (32-028)

Employment (L-1V)

Employment (Electronic Deposit)

Employment (Semi-weekly Employment Deposit)

Sales & Use (ST-9)

Sales & Use (Electronic Filing)

Sales & Use (5081)

Employment (5081)

Employment (Semi-weekly Employment Deposit)

Employment (89-140)

Employment (MO W-3)

Sales & Use (53-1)

Sales & Use (53-C)

Employment (Semi-weekly Employment Deposit)

Sales & Use (TXR-01.01)

Employment (Semi-weekly Employment Deposit)

Sales & Use (Electronic Filing)

Employment (Semi-weekly Employment Deposit)

Employment (TC-941PC)

Sales & Use (TC-62)

Employment (Semi-weekly Employment Deposit)

Employment (WT-6)

Sales & Use (ST-12)

Employment (WT-6)

Sales & Use (41)

Individual Income (1040)

Employment (W-2)

Corporate Income/Franchise (Corporation Franchise Tax Report)

Employment (WH-1)

Sales & Use (ST-103)

Employment (WEEKLY)

Employment (Semi-weekly Employment Deposit)

Employment (Electronic Filing)

Employment (Weekly Employment Deposit)

Employment (Semi-weekly Employment Deposit)

Employment (910)

Employment (Semi-weekly Employment Deposit)

Employment (Weekly Employment Deposit)

Employment (Semi-weekly Employment Deposit)

Employment (Semi-monthly Employment Deposit)

Employment (Semi-weekly Employment Deposit)

Individual Income (Statement)

Employment (Electronic Filing)

Employment (KW-5)

Employment (K-1)

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 (1042)

Employment (1042-S)

Employment (7004)

Employment (8809)

Pass-Through Income (2553)

Pass-Through Income (5471)

Pass-Through Income (1065)

Pass-Through Income (7004)

Pass-Through Income (8804)

Pass-Through Income (7004)

Pass-Through Income (1120-S)

Employment (A-6)

Pass-Through Income (20S)

Pass-Through Income (65)

Pass-Through Income (PTE-C)

Pass-Through Income (EPT)

Business And Occupation/Privilege (PPT)

Business And Occupation/Privilege (BPT-V)

Pass-Through Income (6240)

Employment (A1-WP)

Pass-Through Income (120S)

Pass-Through Income (165)

Pass-Through Income (120/165EXT)

Employment (941M)

Employment (DE 88/DE 88ALL)

Pass-Through Income (FTB 3539)

Pass-Through Income (100S)

Pass-Through Income (FTB 3537)

Pass-Through Income (568)

Pass-Through Income (FTB 3538)

Pass-Through Income (565)

Pass-Through Income (592-F)

Pass-Through Income (FTB 3893)

Employment (DR 1094)

Employment (DR 1107)

Employment (Electronic Deposit)

Corporate Income/Franchise (CT-1120 ESA)

Pass-Through Income (CT-1065/1120SI EXT)

Pass-Through Income (CT-1065/CT-1120SI)

Employment (W1)

Pass-Through Income (SCT-RTN)

Pass-Through Income (SCT-EXT)

Pass-Through Income (PRT-RTN)

Employment (GA-V)

Pass-Through Income (IT-560C)

Pass-Through Income (IT-303)

Pass-Through Income (600S)

Pass-Through Income (G-7 NRW)

Pass-Through Income (IT-303)

Pass-Through Income (700)

Employment (VP-1)

Employment (IL-501)

Pass-Through Income (IL-1120-ST)

Pass-Through Income (IL-1120-ST-V)

Employment (Electronic Filing)

Employment (KW-5)

Employment (K-1)

Employment (Electronic Deposit)

Sales & Use (Sales/Use I-File)

Pass-Through Income (941P-ME)

Employment (MW-506)

Employment (M-941)

Corporate Income/Franchise (355-ES)

Pass-Through Income (355-ES)

Pass-Through Income (355-7004)

Pass-Through Income (355S)

Pass-Through Income (3)

Pass-Through Income (63D-ELT)

Pass-Through Income (M-63D-EXT)

Employment (Withholding Deposit Payment)

Pass-Through Income (M8)

Pass-Through Income (M3)

Corporate Income/Franchise (Payment Voucher)

Pass-Through Income (Payment Voucher)

Employment (89-105)

Pass-Through Income (83-180)

Pass-Through Income (84-105)

Pass-Through Income (83-180)

Pass-Through Income (84-387)

Employment (MO-941)

Employment (MW-1)

Pass-Through Income (PTE)

Employment (501N)

Pass-Through Income (7004N)

Pass-Through Income (1120-SN)

Pass-Through Income (7004N)

Pass-Through Income (1065N)

Pass-Through Income (NH-1065)

Pass-Through Income (BT-EXT)

Pass-Through Income (BT-Summary)

Pass-Through Income (BET)

Employment (NJ-500)

Pass-Through Income (PTE-100)

Pass-Through Income (PTE-200-T)

Pass-Through Income (RPD-41096)

Pass-Through Income (S-Corp)

Pass-Through Income (RPD-41367)

Pass-Through Income (S-Corp-EXT)

Pass-Through Income (PTE)

Pass-Through Income (RPD-41096)

Pass-Through Income (RPD-41367)

Pass-Through Income (PTW-EXT)

Pass-Through Income (IT-204-LL)

Pass-Through Income (PTET)

Pass-Through Income (EFILE)

Pass-Through Income (CT-5.4)

Pass-Through Income (CT-3-S)

Corporate Income/Franchise (CT-300)

Pass-Through Income (IT-370-PF)

Pass-Through Income (IT-204)

Pass-Through Income (CT-3-S)

Employment (NC-5)

Employment (IT-501)

Employment (SD 101)

Employment (OTC)

Pass-Through Income (65)

Pass-Through Income (65-V)

Employment (PA-501)

Corporate Income/Franchise (REV-857)

Employment (WEEKLY)

Pass-Through Income (RI-1120S)

Pass-Through Income (RI-1065)

Pass-Through Income (RI 4868C)

Pass-Through Income (RI 1040C)

Pass-Through Income (RI-PTE)

Pass-Through Income (BUS-EXT)

Pass-Through Income (RI-1065)

Pass-Through Income (RI-1120S)

Employment (WH-1601)

Pass-Through Income (SC1120-T)

Pass-Through Income (SC1120S)

Pass-Through Income (SC1120S-WH)

Pass-Through Income (SC8736)

Pass-Through Income (SC1065)

Pass-Through Income (SC8736)

Pass-Through Income (SC1065)

Pass-Through Income (BA-403)

Pass-Through Income (BI-471)

Pass-Through Income (BA-403)

Pass-Through Income (BI-471)

Pass-Through Income (BA-403)

Pass-Through Income (BI-471)

Employment (WV/IT-101V)

Pass-Through Income (PTE-100)

Pass-Through Income (PTE-100EXT)

Pass-Through Income (EPT-100)

Pass-Through Income (Electronic Filing)

Employment (WT-6)

Pass-Through Income (5S)

Pass-Through Income (PW-1)

Pass-Through Income (3)

Pass-Through Income (PW-1)

Pass-Through Income (PW-ES)

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)

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)

Employment (910)

Sales & Use (850)

Employment (910)

Sales & Use (ST-1)

Employment (WH-1)

Sales & Use (ST-103)

Sales & Use (51A102)

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 (10)

Sales & Use (ST-51)

Sales & Use (ST-810)

Sales & Use (ST-100)

Sales & Use (ST-101)

Sales & Use (E-500)

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 (WTM/RI-941M)

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-8)

Sales & Use (ST-9)

Sales & Use (WV CST-200 CU)

Sales & Use (ST-12)

Employment (Semi-weekly Employment Deposit)

Sales & Use (UUT-1)

Sales & Use (UST-1)

Employment (WEEKLY)

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 (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)

Corporate Income/Franchise (1098)

Corporate Income/Franchise (8809)

Individual Income (W-2G)

Corporate Income/Franchise (8809)

Individual Income (8809)

Corporate Income/Franchise (1099-MISC)

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)

Pass-Through Income (MassTaxConnect)

Pass-Through Income (MTO)

Sales & Use (53-1)

Sales & Use (53-C)

Sales & Use (TXR-01.01)

Pass-Through Income (S-Corp)

Pass-Through Income (PTE)

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)

1 April

Sales & Use (CDTFA-401-A)

Pass-Through Income (F-7004)

Pass-Through Income (F-1065)

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)