Corcoran & Associates

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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

October 2024

2023

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

2025

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

29 September

Individual Income (1041)

Individual Income (41)

Individual Income (141AZ)

Individual Income (CT-1041)

Individual Income (501)

Individual Income (IA 1040ES)

Individual Income (K-41)

Individual Income (741)

Individual Income (MI-1041)

Individual Income (M2)

Individual Income (81-110)

Individual Income (MO-1041)

Individual Income (MO-NRF)

Individual Income (NJ-1041)

Individual Income (FID-1)

Individual Income (IT-205)

Individual Income (38)

Individual Income (IT-1041)

Individual Income (513)

Individual Income (513NR)

Individual Income (41)

Individual Income (PA-41)

Individual Income (RI-1041)

Individual Income (SC-1041)

Individual Income (FIT-161)

Individual Income (IT-141)

Individual Income (2)

Employment (Semi-weekly Employment Deposit)

Sales & Use (CDTFA-401-A)

Sales & Use (OS-114)

Corporate Income/Franchise (F-1120ES)

Employment (WH-1)

Sales & Use (ST-103)

Sales & Use (32-028)

Corporate Income/Franchise (IA 1120ES)

Corporate Income/Franchise (IA FRAN ES)

Pass-Through Income (Electronic Filing)

Employment (L-1V)

Employment (Electronic Deposit)

Pass-Through Income (MTO)

Sales & Use (53-1)

Sales & Use (53-C)

Sales & Use (TXR-01.01)

Sales & Use (ST)

Employment (TC-941PC)

Sales & Use (TC-62)

Employment (WT-6)

Sales & Use (ST-12)

Employment (WT-6)

Sales & Use (41)

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 (WEEKLY)

Employment (Semi-weekly Employment Deposit)

Employment (910)

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 (4070)

Employment (Electronic Filing)

Employment (KW-5)

Employment (K-1)

Employment (Semi-weekly Employment Deposit)

Pass-Through Income (512-S)

Pass-Through Income (514)

Pass-Through Income (514, Part 1/514-PT)

Individual Income (1040)

Individual Income (5471)

Employment (Monthly Employment Deposit)

Corporate Income/Franchise (5471)

Corporate Income/Franchise (1120)

Employment (5500)

Individual Income (40)

Individual Income (40NR)

Individual Income (140)

Individual Income (140PY)

Individual Income (140NR)

Pass-Through Income (AR1100S)

Individual Income (541)

Individual Income (540)

Individual Income (540NR)

Individual Income (104)

Individual Income (105)

Individual Income (104PN)

Individual Income (CT-1040)

Individual Income (CT-1040NR/PY)

Individual Income (PIT-RES)

Individual Income (PIT-NON)

Individual Income (FID-TAX)

Individual Income (D-41)

Individual Income (D-40)

Individual Income (40)

Individual Income (66)

Pass-Through Income (41S)

Individual Income (43)

Pass-Through Income (IL-1120-ST)

Individual Income (IL-1040)

Individual Income (IL-1041)

Individual Income (K-40)

Individual Income (740)

Individual Income (741)

Individual Income (740-NP)

Individual Income (1041ME)

Individual Income (1040ME)

Individual Income (502)

Individual Income (504)

Individual Income (505)

Individual Income (1)

Individual Income (2)

Individual Income (1-NR/PY)

Individual Income (MI-1040)

Individual Income (M1)

Individual Income (M2)

Individual Income (80-105)

Individual Income (80-205)

Individual Income (MO-1040)

Individual Income (2)

Individual Income (FID-3)

Individual Income (1040N)

Individual Income (1041N)

Individual Income (NJ-1040)

Individual Income (NJ-1040NR)

Individual Income (PIT-1)

Individual Income (IT-201)

Individual Income (IT-203)

Individual Income (D-400)

Individual Income (D-407)

Individual Income (ND-1)

Individual Income (IT-1040)

Individual Income (511)

Individual Income (513)

Individual Income (511NR)

Individual Income (513NR)

Individual Income (40)

Individual Income (40N)

Individual Income (40P)

Individual Income (PA-40)

Individual Income (RI-1040)

Individual Income (RI-1040NR)

Individual Income (SC1040)

Individual Income (TC-41)

Individual Income (TC-40)

Individual Income (IN-111)

Individual Income (E-file)

Individual Income (IT-140)

Individual Income (1)

Individual Income (1NPR)

Employment (A-6)

Business And Occupation/Privilege (CPT)

Business And Occupation/Privilege (PPT)

Pass-Through Income (6900)

Pass-Through Income (6000)

Employment (A1-WP)

Pass-Through Income (140NR)

Employment (941M)

Pass-Through Income (AR1050)

Corporate Income/Franchise (AR1100CT)

Pass-Through Income (AR1100PET)

Employment (DE 88/DE 88ALL)

Pass-Through Income (540NR)

Pass-Through Income (568)

Pass-Through Income (565)

Employment (DR 1094)

Employment (DR 1107)

Corporate Income/Franchise (112)

Pass-Through Income (106)

Pass-Through Income (DR-0107)

Employment (Electronic Deposit)

Employment (W1)

Corporate Income/Franchise (CIT-TAX)

Pass-Through Income (D-30)

Pass-Through Income (D-65)

Corporate Income/Franchise (D-20)

Employment (GA-V)

Individual Income (500)

Corporate Income/Franchise (600)

Pass-Through Income (IT-CR)

Employment (HW-14)

Employment (VP-1)

Corporate Income/Franchise (41)

Pass-Through Income (65)

Employment (IL-501)

Pass-Through Income (IL-1065)

Pass-Through Income (IT-65)

Pass-Through Income (IT-20S)

Employment (KW-5)

Pass-Through Income (K-120S)

Employment (K-1)

Pass-Through Income (725)

Pass-Through Income (PTE)

Pass-Through Income (740NP-WH)

Pass-Through Income (740-PTET)

Employment (L-1)

Sales & Use (Sales/Use I-File)

Pass-Through Income (1040ME)

Employment (MW-506)

Pass-Through Income (510)

Pass-Through Income (510C)

Pass-Through Income (511)

Corporate Income/Franchise (355)

Pass-Through Income (MA NRCR)

Pass-Through Income (807)

Corporate Income/Franchise (4913)

Employment (Withholding Deposit Payment)

Employment (89-105)

Corporate Income/Franchise (83-105)

Corporate Income/Franchise (MO-1120)

Pass-Through Income (MO-1120S)

Pass-Through Income (MO-1040)

Pass-Through Income (MO-1065)

Pass-Through Income (MO-PTE)

Employment (MW-1)

Pass-Through Income (1120-SN)

Corporate Income/Franchise (1120N)

Pass-Through Income (BT-Summary)

Pass-Through Income (NH-1065)

Pass-Through Income (BET)

Pass-Through Income (CBT-100S)

Pass-Through Income (NJ-1080C)

Corporate Income/Franchise (CIT-1)

Pass-Through Income (IT-203-S)

Pass-Through Income (IT-203-GR)

Corporate Income/Franchise (CT-3)

Employment (NC-5)

Corporate Income/Franchise (CD-405)

Pass-Through Income (CD-401S)

Pass-Through Income (CD-403)

Pass-Through Income (D-403)

Pass-Through Income (CD-401S)

Employment (IT-501)

Employment (SD 101)

Pass-Through Income (UPC-1140ES)

Pass-Through Income (UPC-4738ES)

Pass-Through Income (WTP10003)

Employment (OTC)

Pass-Through Income (20-S)

Pass-Through Income (OC)

Corporate Income/Franchise (OR-CAT)

Employment (PA-501)

Pass-Through Income (PA-40ES (P/S))

Pass-Through Income (PA-40 NRC)

Employment (WEEKLY)

Corporate Income/Franchise (RI-1120C)

Pass-Through Income (RI-1065)

Employment (WH-1601)

Pass-Through Income (SC1040)

Corporate Income/Franchise (SC1120)

Corporate Income/Franchise (TC-20)

Pass-Through Income (TC-20S)

Pass-Through Income (TC-20MC)

Pass-Through Income (BI-471)

Pass-Through Income (502)

Pass-Through Income (502PTET)

Employment (WV/IT-101V)

Pass-Through Income (IT-140NRC)

Corporate Income/Franchise (CIT-120)

Employment (WT-6)

Pass-Through Income (5S)

Pass-Through Income (1CNS)

Pass-Through Income (PW-1)

Pass-Through Income (1CNP)

Employment (Semi-weekly Employment Deposit)

Employment (Weekly Employment Deposit)

Employment (Semi-weekly Employment Deposit)

Employment (Electronic Filing)

Employment (Weekly Employment Deposit)

Employment (Semi-weekly Employment Deposit)

Employment (Semi-monthly Employment Deposit)

Employment (Semi-weekly Employment Deposit)

Individual Income (N-40)

Individual Income (N-11)

Individual Income (N-15)

Sales & Use (2100)

Sales & Use (2105)

Sales & Use (TPT-EZ)

Sales & Use (TPT-2)

Sales & Use (ET-1)

Sales & Use (DR-100)

Sales & Use (FR-800M)

Sales & Use (FR-800A)

Employment (FR-900P)

Sales & Use (DR-15)

Sales & Use (ST-3)

Sales & Use (G-45)

Corporate Income/Franchise (N-30)

Pass-Through Income (N-35)

Pass-Through Income (N-20)

Pass-Through Income (N-66)

Corporate Income/Franchise (F-1)

Pass-Through Income (N-15)

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 (ST-9)

Sales & Use (ST-9Q)

Sales & Use (ST-MAB-4)

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 (10)

Sales & Use (ST-50)

Sales & Use (ST-809)

Sales & Use (E-500)

Employment (WTH10001)

Sales & Use (STS20002-A)

Sales & Use (SVU20005-A)

Sales & Use (STS20002-A)

Sales & Use (SVU20005-A)

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-9)

Sales & Use (ST-8)

Sales & Use (WV CST-200 CU)

Sales & Use (ST-12)

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 (51A103)

Employment (K-1)

Employment (Semi-weekly Employment Deposit)

Employment (UIA 1028)

Employment (Semi-weekly Employment Deposit)

Employment (TRD-41414)

Sales & Use (TRD-41413)

Employment (Semi-weekly Employment Deposit)

Sales & Use (RV11STRTN)

Employment (Semi-weekly Employment Deposit)

Employment (WHT-436)

Sales & Use (SUT-451)

Employment (WHT-436)

Employment (VA-5)

Employment (Semi-weekly Employment Deposit)

Business And Occupation/Privilege (Combined Excise Tax Return)

Sales & Use (E-file)

Employment (WEEKLY)

Employment (Semi-weekly Employment Deposit)

Individual Income (AR1002F)

Individual Income (AR1002NR)

Individual Income (IT-41)

Individual Income (IA 1040)

Individual Income (IA 1041)

Employment (Semi-weekly Employment Deposit)

Employment (Electronic Filing)

Employment (Weekly Employment Deposit)

Employment (Semi-weekly Employment Deposit)

Employment (WH-1)

Sales & Use (ST-103)

Corporate Income/Franchise (IA 1120)

Pass-Through Income (IA 1120S)

Pass-Through Income (IA 1065)

Corporate Income/Franchise (IA 1120F)

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 (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 (WH-1)

Pass-Through Income (WH-1)

Employment (UC-1)

Employment (UC-5)

Employment (65-5300)

Employment (Electronic Filing)

Pass-Through Income (Electronic Filing)

Sales & Use (32-028)

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 (UI-5)

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 (TRD-41414)

Employment (NYS-45)

Employment (NC-5Q)

Employment (NCUI 101)

Sales & Use (E-500)

Employment (NC-5)

Employment (306)

Employment (SFN 41263)

Sales & Use (ST)

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 (UCE-101/120)

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)

Business And Occupation/Privilege (Combined Excise Tax Return)

Employment (5208)

Sales & Use (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)

1 November

Employment (Semi-weekly Employment Deposit)

Individual Income (760)

Individual Income (763)

Individual Income (760PY)

Individual Income (770)

Employment (Semi-weekly Employment Deposit)

Corporate Income/Franchise (F-1120)

Employment (Semi-weekly Employment Deposit)

Pass-Through Income (765)