| Date | Deadline |
| January 31: | Form W-2 – Due to IRS/SSA |
| Form 1099-MISC – Due to IRS/SSA if reporting nonemployee compensation in Box 7 | |
| Form 940- Due to IRS 135A | |
| February 28: | Forms 1096/1098/1099 – Due to IRS/SSA if filing paper |
| March 15: | Form 1065- Partnerships |
| Form 1120S- S Corporations | |
| March 31: | Forms 1097/1098/1099/3921/3922 and W-2G- Due to IRS/SSA if filing electronically |
| April 18: | Form 1040-Individuals |
| Form 1041- Trusts & Estates | |
| Form 1120- C Corporations | |
| FinCen 114- FBAR | |
| May 15: | Form 990- Exempt Organizations |
| July 31: | Form 5500 – Employee Benefit Plans |
| August 15: | Form 990 with Extension |
| September 15: | Form 1065 – Partnerships with extension |
| Form 1120S- S Corporations with extension | |
| Form 1120- C Corporations with calendar year end with extension | |
| Form 1120- C Corporations with June 30 Fiscal year end | |
| October 2: | Form 1041- Trusts and Estates with extension |
| October 16: | Form 1040- Individuals with extension |
| FinCen 114- FBAR Extension | |
| November 15: | Form 5500- Employee Benefit Plans with extension |