Each year, many people get a larger refund than they expected. Some find they owe a lot more tax than they thought they would. If this happened to you, review your situation to prevent another tax surprise. Did you marry? Have a child? Have a change in income? Some life events can have a major effect on your taxes. You can bring the tax you pay closer to the amount you owe. Here are some key IRS tips to help you come up with a plan of action:

  • New Job. When you start a new job, you must fill out a Form W-4, Employee's Withholding Allowance Certificate and give it to your employer. Your employer will use the form to figure the amount of federal income tax to withhold from your pay. Use the IRS Withholding Calculator on IRS.gov to help you fill out the form. This tool is easy to use and it's available 24/7.
  • Estimated Tax. If you earn income that is not subject to withholding you may need to pay estimated tax. This may include income such as self-employment, interest, dividends or rent. If you expect to owe a thousand dollars or more in tax, and meet other conditions, you may need to pay this tax. You normally pay it four times a year. Use the worksheet in Form 1040-ES, Estimated Tax for Individuals, to figure the tax.
  • Life Events. Check to see if you need to change your Form W-4 or change the amount of estimated tax you pay when certain life events take place. A change in your marital status, the birth of a child or buying a new home can change the amount of taxes you owe. In most cases, you can submit a new Form W–4 to your employer anytime.
  • Changes in Circumstances. If you are receiving advance payments of the premium tax credit, it is important that you report changes in circumstances, such as changes in your income or family size, to your Health Insurance Marketplace. You should also notify the Marketplace when you move out of the area covered by your current Marketplace plan. Advance payments of the premium tax credit help you pay for the insurance you buy through the Health Insurance Marketplace. Reporting changes will help you get the proper type and amount of financial assistance so you can avoid getting too much or too little in advance.

For more see Publication 505, Tax Withholding and Estimated Tax. You can get it on IRS.gov/forms at any time.

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April 2017
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Upcoming Tax Dates

April 10 — Employees who work for tips
If you received $20 or more in tips during March, report them to your employer. You can use Form 4070.

April 10 — Communications and air transportation taxes under the alternative method
Deposit the tax included in amounts billed or tickets sold during the first 15 days of March.

April 14 — Regular method taxes
Deposit the tax for the last 16 days of March.

April 18 — Individuals
File a 2016 income tax return (Form 1040, 1040A, or 1040EZ) and pay any tax due. If you want an automatic 6 month extension of time to file the return, file Form 4868, Application for Automatic Extension of Time To File U.S. Individual Income Tax Return. For more information, see Form 4868. Then, file Form 1040, 1040A, or 1040EZ by October 16.

April 18 — Corporations
File a 2016 calendar year income tax return (Form 1120) and pay any tax due. Details

April 18 — Individuals
If you are not paying your 2017 income tax through withholding (or will not pay in enough tax during the year that way), pay the first installment of your 2017 estimated tax. Use Form 1040ES.

April 18 — Household Employers
f you paid cash wages of $1,800 or more in 2016 to a household employee, you must file Schedule H Details

April 18 — Corporations
Deposit the first installment of estimated income tax for 2017 Details

April 18 — Social security, Medicare, and withheld income tax
If the monthly deposit rule applies, deposit the tax for payments in March.

April 18 — Nonpayroll withholding
If the monthly deposit rule applies, deposit the tax for payments in March.

April 18 — Household employers
If you paid cash wages of $1,900 or more in 2016 to a household employee, you must file Schedule H (Form 1040). If you are required to file a federal income tax return (Form 1040), file Schedule H (Form 1040) with the return and report any household employment taxes. Report any federal unemployment (FUTA) tax on Schedule H (Form 1040) if you paid total cash wages of $1,000 or more in any calendar quarter of 2015 or 2016 to household employees. Also, report any income tax you withheld for your household employees.

April 27 — Communications and air transportation taxes under the alternative method
Deposit the tax included in amounts billed or tickets sold during the last 16 days of March.

April 29 — Regular method taxes
Deposit the tax for the first 15 days of April.

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