If you make a mistake on your tax return, it usually takes the IRS longer to process it. The IRS may have to contact you about that mistake before your return is processed. This will delay the receipt of your tax refund.

The IRS reminds filers that e-filing their tax return greatly lowers the chance of errors. In fact, taxpayers are about twenty times more likely to make a mistake on their return if they file a paper return instead of e-filing their return.

Here are eight common errors to avoid.

  1. Wrong or missing Social Security numbers. Be sure you enter SSNs for yourself and others on your tax return exactly as they are on the Social Security cards.
  2. Names wrong or misspelled. Be sure you enter names of all individuals on your tax return exactly as they are on their Social Security cards.
  3. Filing status errors. Choose the right filing status. There are five filing statuses: Single, Married Filing Jointly, Married Filing Separately, Head of Household and Qualifying Widow(er) With Dependent Child. See Publication 501, Exemptions, Standard Deduction and Filing Information, to help you choose the right one. E-filing your tax return will also help you choose the right filing status.
  4. Math mistakes. If you file a paper tax return, double check the math. If you e-file, the software does the math for you. For example, if your Social Security benefits are taxable, check to ensure you figured the taxable portion correctly.
  5. Errors in figuring credits, deductions. Take your time and read the instructions in your tax booklet carefully. Many filers make mistakes figuring their Earned Income Tax Credit, Child and Dependent Care Credit and the standard deduction. For example, if you are age 65 or older or blind check to make sure you claim the correct, larger standard deduction amount.
  6. Wrong bank account numbers. Direct deposit is the fast, easy and safe way to receive your tax refund. Make sure you enter your bank routing and account numbers correctly.
  7. Forms not signed, dated. An unsigned tax return is like an unsigned check – it's invalid. Remember both spouses must sign a joint return.
  8. Electronic signature errors. If you e-file your tax return, you will sign the return electronically using a Personal Identification Number. For security purposes, the software will ask you to enter the Adjusted Gross Income from your originally-filed 2011 federal tax return. Do not use the AGI amount from an amended 2011 return or an AGI provided to you if the IRS corrected your return. You may also use last year's PIN if you e-filed last year and remember your PIN.

TaxACT does the math and computations for you, and walks you through the e-filing steps to easily identify your prior year AGI or PIN.

If you used TaxACT last year, use TaxACT Deluxe to import last year's return data, including SSNs, dependent names, filing status and prior year AGI or PIN. Start your return risk-free now!

Additional IRS Resources:

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Upcoming Tax Dates

February 1 — Individuals who must make estimated tax payments
If you did not pay your last installment of estimated tax by January 15, you may choose (but are not required) to file your income tax return (Form 1040) for 2015 by February 1. Filing your return and paying any tax due by February 2 prevents any penalty for late payment of the last installment. If you cannot file and pay your tax by February 1, file and pay your tax by April 18.

February 1 — All Employers
Give your employees their copies of Form W2 for 2015. If an employee agreed to receive Form W2 electronically, have it posted on a website and notify the employee of the posting.

February 1 — Payers of gambling winnings
If you either paid reportable gambling winnings or withheld income tax from gambling winnings, give the winners their copies of Form W2G.

February 1 — Nonpayroll taxes
File Form 945 to report income tax withheld for 2015 on all nonpayroll items, including backup withholding and withholding on pensions, annuities, IRAs, gambling winnings, and payments of Indian gaming profits to tribal members. Deposit or pay any undeposited tax under the accuracy of deposit rules.

February 1 — Social Security, Medicare, and withheld income tax
File Form 941 for the fourth quarter of 2015. Deposit or pay any undeposited tax under the accuracy of deposit rules. If your tax liability is less than $2,500, you can pay it in full with a timely filed return. If you deposited the tax for the quarter timely, properly, and in full, you have until February 10 to file the return.

February 1 — Certain small employers
File Form 944 to report social security and Medicare taxes and withheld income tax for 2015. Deposit or pay any undeposited tax under the accuracy of deposit rules. If your tax liability is $2,500 or more for 2015 but less than $2,500 for the fourth quarter, deposit any undeposited tax or pay it in full with a timely filed return. If you deposited the tax for the year timely, properly, and in full, you have until February 10 to file the return.

February 1 — Farm employers
File Form 943 to report social security and Medicare taxes and withheld income tax for 2015. Deposit or pay any undeposited tax under the accuracy of deposit rules. If your tax liability is less than $2,500, you can pay it in full with a timely filed return. If you deposited the tax for the year timely, properly, and in full, you have until February 10 to file the return.

February 1 — Federal unemployment tax
File Form 940 for 2015. If your undeposited tax is $500 r less, you can either pay it with your return or deposit it. If it is more than $500, you must deposit it. However, if you deposited the tax for the year timely, properly, and in full, you have until February 10 to file the return.

February 1 — All businesses
Give annual information statements to recipients of certain payments you made during 2015 - Details

February 1 — Form 720 taxes
File Form 720 for the fourth quarter of 2015.

February 1 — Wagering tax
File Form 730 and pay the tax on wagers accepted during December 2015.

February 1 — Heavy highway vehicle use tax
File Form 2290 and pay the tax for vehicles first used in December 2015.

February 10 — Nonpayroll taxes
File Form 945 to report income tax withheld for 2015 on all nonpayroll items. This due date applies only if you deposited the tax for the year timely, properly, and in full.

February 10 — Social security, Medicare, and withheld income tax
File Form 941 for the fourth quarter of 2015. This due date applies only if you deposited the tax for the quarter timely, properly, and in full.

February 10 — Certain small employers
File Form 944 to report social security and Medicare taxes and withheld income tax for 2015. This due date applies only if you deposited the tax for the year timely, properly, and in full.

February 10 — Farm employers
File Form 943 to report social security and Medicare taxes and withheld income tax for 2015. This due date applies only if you deposited the tax for the year timely, properly, and in full.

February 10 — Federal unemployment tax
File Form 940 for 2015. This due date applies only if you deposited the tax for the year timely, properly, and in full.

February 10 — Employees who work for tips
If you received $20 or more in tips during January, report them to your employer - Details

February 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 January.

February 12 — Regular method taxes
Deposit the tax for the last 16 days of January.

February 15 — Everyone
Federal Holiday (Washington's Birthday) - Details

February 16 — Individuals
If you claimed exemption from income tax withholding last year on the Form W-4, you must file a new Form W-4 by this date to continue your exemption for another year - Details

February 16 — All businesses
Give annual information statements to recipients of certain payments you made during 2015 - Details

February 16 — Publication 509 (2015)
All payments reported on Form 1099S, Proceeds From Real Estate Transactions. Substitute payments reported in box 8 or gross proceeds paid to an attorney reported in box 14 of Form 1099MISC.

February 16 — Social security, Medicare, and withheld income tax
If the monthly deposit rule applies, deposit the tax for payments in January.

February 16 — Nonpayroll withholding
If the monthly deposit rule applies, deposit the tax for payments in January.

February 17 — All employers
Begin withholding income tax from the pay of any employee who claimed exemption from withholding in 2015, but did not give you Form W4 to continue the exemption this year.

February 25 — 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 January.

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

February 29 — All businesses
File information returns (for example, Forms 1099) for certain payments you made during 2015.

February 29 — Farmers & fishermen
File your 2015 income tax return (Form 1040) and pay any tax due - Details

February 29 — Payers of gambling winnings.
File Form 1096 along with Copy A of all the Forms W2G you issued for 2015. If you file Forms W2G electronically, your due date for filing them with the IRS will be extended to March 31. The due date for giving the recipient these forms remains February 1.

February 29 — All employers
File Form W3, Transmittal of Wage and Tax Statements, along with Copy A of all the Forms W2 you issued for 2015. If you file Forms W2 electronically, your due date for filing them with the SSA will be extended to March 31. The due date for giving the recipient these forms remains February 1.

February 29 — Large food and beverage establishment employers
File Form 8027, Employer's Annual Information Return of Tip Income and Allocated Tips. Use Form 8027T, Transmittal of Employer's Annual Information Return of Tip Income and Allocated Tips, to summarize and transmit Forms 8027 if you have more than one establishment. If you file Forms 8027 electronically, your due date for filing them with the IRS will be extended to March 31.

February 29 — Wagering tax
File Form 730 and pay the tax on wagers accepted during January.

February 29 — Heavy highway vehicle use tax
File Form 2290 and pay the tax for vehicles first used in January.

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