Trusted Tax Consulting Services

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• Jan 31 — File W-2/W-3 with SSA and furnish W-2s to employees; file 1099-NEC with the IRS and furnish to recipients.
   
• Feb 28 (paper) / Mar 31 (e-file) — Most 1099s (except NEC) due to the IRS.
   
• Mar 3 — Farmers & fishermen (if no Jan 15 estimate paid): file and pay 2024 tax.
   
• Mar 17 — Partnership (1065) and S-corp (1120-S) returns (calendar-year) or file Form 7004. (Mar 15 falls on a Saturday.)
   
• Apr 15 — Individuals (1040) file/pay or file 4868; 2025 Q1 estimated tax; C-corp (1120) file/pay or file 7004.
   
• Jun 16 — 2025 Q2 estimated tax (moved from Jun 15 for weekend).
   
• Sep 15 — 2025 Q3 estimated tax; Partnership & S-corp returns on extension.
   
• Oct 15 — Individual (1040) and C-corp (1120) returns on extension; FBAR (FinCEN Form 114) extended due date (automatic—no form needed).
   

Employer payroll (Form 941) quarterly filings: Apr 30, Jul 31, Oct 31 (Q1–Q3 2025).

Individuals (Indiana)
 

• IT-40 due: Apr 15, 2025. On extension: Nov 17, 2025. Indiana Government
   
• 2025 Indiana estimated tax (ES-40/IN-ES): Apr 15, Jun 16, Sep 15, 2025; Jan 15, 2026. IARA
   
• Employers (Indiana)
   
• WH-3 + W-2s to DOR: Jan 31, 2025 (e-file required if >25 W-2s). Indiana Government+1
   
• Monthly WH-1 & ST-103: due on the 20th (early filers) or 30th (monthly filers) of the following month—now reflected in the notes. Indiana Government
   

Businesses (Indiana)
 

• S-corp (IT-20S) & Partnership (IT-65): Apr 15, 2025, for calendar-year filers (or federal 7004 accepted). IARA+1
   
• C-corp (IT-20): May 15, 2025, for calendar-year filers (15th day of the fifth month after year-end). Indiana Government