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Department of Revenue Services State of Connecticut PO Box 5031 Hartford CT 061025031Form O372Admissions and Dues Taxes Return(Rev. 07/19) O372 0719W 01 9999For period endingForm O372 must be filed
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How to fill out estimated income tax

01
Gather all your income information, including income from wages, self-employment, business, or rental income, and any other sources of income.
02
Calculate your deductions and exemptions, such as student loan interest, mortgage interest, IRA contributions, and any other eligible deductions.
03
Determine your filing status, whether single, married filing jointly, married filing separately, or head of household.
04
Use the appropriate tax form based on your filing status, such as Form 1040, Form 1040A, or Form 1040EZ.
05
Fill out your personal information, including your name, address, social security number, and any applicable dependents.
06
Report your income, deductions, and exemptions accurately and completely.
07
Calculate the total tax liability based on the income tax rate for your filing status.
08
Determine any tax credits you are eligible for, such as child tax credit, earned income credit, or education credits.
09
Subtract any tax credits from your total tax liability to arrive at your estimated income tax.
10
Review and double-check your filled-out form for accuracy and completeness.
11
File your estimated income tax form by the deadline, which is usually April 15th of the following year.

Who needs estimated income tax?

01
Individuals who have income that is not subject to withholding taxes, such as self-employed individuals, freelancers, or those with rental income.
02
Individuals who have significant sources of income from investments, dividends, or capital gains.
03
Business owners and entrepreneurs who need to pay estimated taxes on their business income.
04
High-income earners who may be subject to alternative minimum tax or additional Medicare taxes.
05
Individuals who have complex financial situations with multiple deductions, exemptions, or tax credits.
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Estimated income tax is a method used to pay tax on income that is not subject to withholding, such as self-employment income or investment income.
Individuals who expect to owe a certain amount of tax at the end of the year and do not have enough tax withheld from their paychecks are required to file estimated income tax.
To fill out estimated income tax, individuals need to calculate their estimated tax liability, complete Form 1040-ES, and make quarterly payments to the IRS.
The purpose of estimated income tax is to ensure that taxpayers pay a sufficient amount of tax throughout the year to avoid penalties for underpayment.
On estimated income tax, individuals must report their estimated income, deductions, credits, and tax liability for the year.
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