| Fri | 6 | Deposit payroll tax for payments on Jan 1-3 if the semiweekly deposit rule applies. |
| Tue | 10 | Employers: Employees are required to report to you tips of $20 or more earned during Dec 2011 |
| Wed | 11 | Deposit payroll tax for payments on Jan 4-6 if the semiweekly deposit rule applies. |
| Fri | 13 | Deposit payroll tax for payments on Jan 7-10 if the semiweekly deposit rule applies. |
| Tue | 17 | Individuals: Pay the final installment of your 2011 estimated tax. Use Form 1040-ES. |
| Tue | 17 | Farmers and fishermen: Pay your estimated tax for 2011. Use Form 1040-ES. |
| Tue | 17 | Employers: Deposit payroll tax for Dec 2011 if the monthly deposit rule applies. |
| Thu | 19 | Deposit payroll tax for payments on Jan 11-13 if the semiweekly deposit rule applies. |
| Fri | 20 | Deposit payroll tax for payments on Jan 14-17 if the semiweekly deposit rule applies. |
| Wed | 25 | Deposit payroll tax for payments on Jan 18-20 if the semiweekly deposit rule applies. |
| Fri | 27 | Deposit payroll tax for payments on Jan 21-24 if the semiweekly deposit rule applies. |
| Tue | 31 | File Form 720 for the fourth quarter of 2011. |
| Tue | 31 | Furnish Forms 1098, 1099 and W-2G to recipients for certain payments during 2011. Furnish Form W-2 to employees who worked for you during 2011. |
| Tue | 31 | File Form 730 and pay the tax on wagers accepted during Dec 2011. |
| Tue | 31 | Deposit any FUTA tax owed through Dec 2011. |
| Tue | 31 | File Form 2290 and pay the tax for vehicles first used in Dec 2011. |
| Tue | 31 | Files Forms 940, 941, 943, 944 and/or 945 if you did not deposit all taxes when due. |
| Tue | 31 | File your tax return if you did not pay your last installment of esimated tax by January 17th |
| Wed | 1 | Deposit payroll tax for payments on Jan 25-27 if the semiweekly deposit rule applies. |
| Fri | 3 | Deposit payroll tax for payments on Jan 28-31 if the semiweekly deposit rule applies. |
| Wed | 8 | Deposit payroll tax for payments on Feb 1-3 if the semiweekly deposit rule applies. |
| Fri | 10 | Deposit payroll tax for payments on Feb 4-7 if the semiweekly deposit rule applies. |
| Fri | 10 | Employers: Employees are required to report to you tips of $20 or more earned during Jan. |
| Fri | 10 | File 2011 Forms 940, 941, 943, 944 and/or 945 if you timely deposited all required payments. |