Key Tax DatesIncome and Payroll Tax DatesJanuary
1st - Businesses must halt payments of the earned income credit to employees who did not submit a W-5 for 2008.
10th - Employees who earn tips of $20 or more must report them to their employer with form 4070.
15th - Businesses: Monthly payroll deposits are due for December payroll. Individuals: Make estimated tax payments for the fourth quarter with form 1040 and 540 if they did not pay taxes through payroll withholdings.
31st - Businesses must file unemployment taxes with form 940. Businesses must also file 941s for the fourth quarter withholdings for income tax, Social Security, and Medicare. 945 must also be filed for all non-payroll taxes withheld in 2007 these include pensions, annuities, IRAs and gambling winnings. Every employee in 2007 must be sent a W-2 for 2007. All 1099s for 2007 must also be issued today.
State Quarterly payroll tax payments and Wage and Withholding report is due.
February
11th - Employees who earn tips of $20 or more must report them to their employer with form 4070.
15th - Businesses: Monthly payroll deposits are due for January payroll. Employees who files an exemption on their 2007 W-4 must submit it again in 2008 if the wish to continue the exemption.
28th - 1099s sent out in January must be submitted to the IRS. This deadline is extended to March 31st if filed electronically. Businesses must file W-3s and copies of W-2s for 2007.
March
12th - Employees who earn tips of $20 or more must report them to their employer with form 4070.
17th - Business must make monthly deposit for tax payments in February. Corporations must file calendar year 2007 and pay any due taxes.
31st - If you are using electronic filing for your 1098s, 1099s or W-2Gs they are due today.
April
10th - Employees who earn tips of $20 or more must report them to their employer with form 4070.
15th - Individuals must file tax returns for 2007 and pay any taxes due. Extensions are available with form 4868. If you paid household employees cash wages of more than $1,500 file a schedule H with your tax return. Partnerships must file 2007 tax returns and provide a K-1 to each partner. Corporations must make their first income tax payment. Businesses must make deposits for withheld income tax for March payroll.
30th - Employment taxes for the first quarter are due. A deposit on federal unemployment tax is due if it is estimated at more than $500. Quarterly Wage and Withholding reports for the state.
May
12th - Form 941 for first quarter 2008 is due for all employers who filed timely. Employees who earn tips of $20 or more must report them to their employer with form 4070.
15th - Businesses must make deposits for withheld income tax for April payroll.
June
10th - Employees who earn tips of $20 or more must report them to their employer with form 4070.
16th - If you are working outside the US or Puerto Rico your 1040s are due today along with payment. Estimated quarterly payments are due for individuals and corporations. Businesses must make deposits for withheld income tax for May payroll.
July
10th - Employees who earn tips of $20 or more must report them to their employer with form 4070.
15th - Businesses must make deposits for withheld income tax for June payroll.
31st - Quarterly federal and state payroll tax payments and Wage and Withholding reports are due for all employers A deposit on federal unemployment tax is due if it is estimated at more than $500. Business with pension, stock bonus plan or profit sharing must file a 5500 for 2007.
August
11th - Form 941 for second quarter 2008 is due for all employers who filed timely. Employees who earn tips of $20 or more must report them to their employer with form 4070.
15th - Businesses must make deposits for withheld income tax for July payroll.
September
10th - Employees who earn tips of $20 or more must report them to their employer with form 4070.
15th - Estimated quarterly payments are due for individuals and corporations. If you filed an extension for your business taxes they are due today, applies to corporations and S corporations. Businesses must make deposits for withheld income tax for August payroll.
October
10th - Employees who earn tips of $20 or more must report them to their employer with form 4070.
15th - Individuals who filed and extension must file their tax returns and pay any amount due in full. Partnerships who filed an extension must file their tax returns and pay any amount due. Businesses must make deposits for withheld income tax for September payroll.
31st - Quarterly federal and state payroll tax payments and Wage and Withholding reports are due for all employers. A deposit on federal unemployment tax is due if it is estimated at more than $500.
November
11th - Employees who earn tips of $20 or more must report them to their employer with form 4070. Form 941 for third quarter 2008 is due for all employers who filed timely.
13th - Monthly deposits for Medicare, social security and employee income taxes are due for employers. Businesses must make deposits for withheld income tax for October payroll.
December
9th - Employees who earn tips of $20 or more must report them to their employer with form 4070.
16th - Estimated quarterly payments are due for corporations. Businesses must make deposits for withheld income tax for November payroll. | 
