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To figure your estimated tax, you must figure your expected adjusted gross income, taxable income, taxes, deductions, and credits for the year. When figuring your estimated tax for the current year, it may be helpful to use your income, deductions, and credits for prior year as a starting point. Use your prior year's federal tax return as a guide. You can use the worksheet in Form 1040-ES to figure your estimated tax. You will need to estimate the amount of income you expect to earn for the year. If you estimated your earnings too high, simply complete another Form 1040-ES worksheet to refigure your estimated tax for the next quarter. If you estimated your earnings too low, again complete another Form 1040-ES worksheet to recalculate your estimated tax for the next quarter. You want to estimate your income as accurately as you can to avoid penalties. You must make adjustments both for changes in your own situation and for recent changes in the tax law.
For estimated tax purposes, the year is divided into four payment periods. Each period has a specific payment due date. If you do not pay enough tax by the due date of each of the payment periods, you may be charged a penalty even if you are due a refund when you file your income tax return. Using the Electronic Federal Tax Payment System (EFTPS) is the easiest way to pay your federal taxes for individuals as well as businesses. Make ALL of your federal tax payments including federal tax deposits (FTDs), installment agreement and estimated tax payments using EFTPS. If it is easier to pay your estimated taxes weekly, bi-weekly, monthly, etc. you can, as long as you have paid enough in by the end of the quarter. Using EFTPS, you can access a history of your payments, so you know how much and when you made your estimated tax payments.
If you did not pay enough tax throughout the year, either through withholding or by making estimated tax payments, you may have to pay a penalty for underpayment of estimated tax. Generally, most taxpayers will avoid this penalty if they owe less than $1,000 in tax after subtracting their withholdings and credits, or if they paid at least 90% of the tax for the current year, or 100% of the tax shown on the return for the prior year, whichever is smaller. There are special rules for farmers and fishermen. However, if your income is received unevenly during the year, you may be able to avoid or lower the penalty by annualizing your income and making unequal payments. Use Form 2210, Underpayment of Estimated Tax by Individuals, Estates, and Trusts, to see if you owe a penalty for underpaying your estimated tax.
The penalty may also be waived if the failure to make estimated payments was caused by a casualty, disaster, or other unusual circumstance and it would be inequitable to impose the penalty, or you retired (after reaching age 62) or became disabled during the tax year for which estimated payments were required to be made or in the preceding tax year, and the underpayment was due to reasonable cause and not willful neglect. You should also use Form 2210 to request a waiver of the penalty.
Estimated tax is the the method used to pay tax on income that is not subject to withholding. This includes income from self-employment, interest, dividends, alimony, rent, gains from the sale of assets, prizes and awards.  You may have to pay estimated tax if the amount of income tax being withheld from your salary, pension, or other income is not enough. Additionally, estimated tax is used to pay income tax and self-employment tax, as well as other taxes and amounts reported on your tax return. Always keep in

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Copyright © 2014 [Hera's Income Tax School]. All Annual Federal Tax Refresher Course rights reserved.
Revised: 05/28/15
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