April
| Mon | 2 | Electronically file Forms W-2, W-2G, 1098, 1099, and 8027. |
| Wed | 4 | Deposit payroll tax for payments on Mar 28-30 if the semiweekly deposit rule applies. |
| Fri | 6 | Deposit payroll tax for payments on Mar 31 – Apr 3 if the semiweekly deposit rule applies. |
| Tue | 10 | Employers: Employees are required to report to you tips of $20 or more earned during March. |
| Wed | 11 | Deposit payroll tax for payments on Apr 4-6 if the semiweekly deposit rule applies. |
| Fri | 13 | Deposit payroll tax for payments on Apr 7-10 if the semiweekly deposit rule applies. |
| Tue | 17 | Household Employers: File Sch. H with Form 1040 if you paid $1,700 or more to a household employee. |
| Tue | 17 | Corporations: Deposit the first installment of your estimated tax for 2012. |
| Tue | 17 | Employers: Deposit payroll tax for Mar. if the monthly deposit rule applies. |
| Tue | 17 | Individuals: File 2011 Form 1040, 1040A, or 1040EZ. For automatic 6-month extension file Form 4868 and deposit estimated tax. Pay the first installment of 2012 estimated tax. |
| Tue | 17 | Partnerships: File 2011 Form 1065 and furnish a copy of Sch. K-1 to each partner. |
| Tue | 17 | Electing Large Partnerships: File 2011 Form 1065 calendar year return. |
| Thu | 19 | Deposit payroll tax for payments on Apr 11-13 if the semiweekly deposit rule applies. |
| Fri | 20 | Deposit payroll tax for payments on Apr 14-17 if the semiweekly deposit rule applies. |
| Wed | 25 | Deposit payroll tax for payments on Apr 18-20 if the semiweekly deposit rule applies. |
| Fri | 27 | Deposit payroll tax for payments on Apr 21-24 if the semiweekly deposit rule applies. |
| Mon | 30 | File Form 720 for the first quarter of 2012. |
| Mon | 30 | File Form 730 and pay the tax on wagers accepted during March. |
| Mon | 30 | File Form 2290 and pay the tax on vehicles first used in March. |
| Mon | 30 | Employers: File Form 941 for the first quarter of 2012. |
| Mon | 30 | Deposit FUTA tax owed through Mar if more than $500. |
May
| Wed | 2 | Deposit payroll tax for payments on Apr 25-27 if the semiweekly deposit rule applies. |
| Fri | 4 | Deposit payroll tax for payments on Apr 28 – May 1 if the semiweekly deposit rule applies. |
| Wed | 9 | Deposit payroll tax for payments on May 2-4 if the semiweekly deposit rule applies. |
| Thu | 10 | Employers: Employees are required to report to you tips of $20 or more earned during April. |
| Thu | 10 | File Form 941 for the first quarter of 2012 if you timely deposited all required payments. |
| Fri | 11 | Deposit payroll tax for payments on May 5-8 if the semiweekly deposit rule applies. |
| Tue | 15 | Deposit payroll tax for Apr if the monthly deposit rule applies. |
| Wed | 16 | Deposit payroll tax for payments on May 9-11 if the semiweekly deposit rule applies. |
| Fri | 18 | Deposit payroll tax for payments on May 12-15 if the semiweekly deposit rule applies. |
| Wed | 23 | Deposit payroll tax for payments on May 16-18 if the semiweekly deposit rule applies. |
| Fri | 25 | Deposit payroll tax for payments on May 19-22 if the semiweekly deposit rule applies. |
| Thu | 31 | File Form 730 and pay the tax on wagers accepted during April. |
| Thu | 31 | File Form 2290 and pay the tax for vehicles first used during April. |
| Thu | 31 | Deposit payroll tax for payments on May 23-25 if the semiweekly deposit rule applies. |
June
| Fri | 1 | Deposit payroll tax for payments on May 26-29 if the semiweekly deposit rule applies. |
| Wed | 6 | Deposit payroll tax for payments on May 30 – Jun 1 if the semiweekly deposit rule applies. |
| Fri | 8 | Deposit payroll tax for payments on Jun 2-5 if the semiweekly deposit rule applies. |
| Mon | 11 | Employers: Employees are required to report to you tips of $20 or more earned during May. |
| Wed | 13 | Deposit payroll tax for payments on Jun 6-8 if the semiweekly deposit rule applies. |
| Fri | 15 | Employers: Deposit payroll tax for May if the monthly deposit rule applies. |
| Fri | 15 | Corporations: Deposit the second installment of your 2012 estimated tax. |
| Fri | 15 | Deposit payroll tax for payments on Jun 9-12 if the semiweekly deposit rule applies. |
| Fri | 15 | Individuals outside the U.S.: File 2011 Form 1040. |
| Fri | 15 | Individuals: Pay the second installment of estimated tax for 2012. |
| Wed | 20 | Deposit payroll tax for payments on Jun 13-15 if the semiweekly deposit rule applies. |
| Fri | 22 | Deposit payroll tax for payments on Jun 16-19 if the semiweekly deposit rule applies. |
| Wed | 27 | Deposit payroll tax for payments on Jun 20-22 if the semiweekly deposit rule applies. |
| Fri | 29 | Deposit payroll tax for payments on Jun 23-26 if the semiweekly deposit rule applies. |