By | May 10 | Employers – Social Security, Medicare, and withheld income tax. File Form 941 for the first quarter of 2013. This due date applies only if you deposited the tax for the quarter in full and on time.Employees – who work for tips. If you received $20 or more in tips during April, report them to your employer. You can use Form 4070. |
| May 15 | Employers – Nonpayroll withholding. If the monthly deposit rule applies, deposit the tax for payments in April.Employers – Social Security, Medicare, and withheld income tax. If the monthly deposit rule applies, deposit the tax for payments in April. |