The Taxpayer Advocate Service (TAS) is an independent organization within the IRS that helps taxpayers who are experiencing unresolved federal tax problems. Here are 10 things every taxpayer should know about TAS:

  1. The Taxpayer Advocate Service is your voice at the IRS.
  2. You may be eligible for our help if you've tried to resolve your tax problem through normal IRS channels and have gotten nowhere, or you believe an IRS procedure just isn't working as it should.
  3. We help taxpayers whose problems are causing financial difficulty. This includes businesses, organizations and individuals.
  4. We'll do everything we can to resolve your problem. And our service is always free.
  5. If you qualify for our help, you'll be assigned to one advocate who will be with you at every turn.
  6. We have at least one local taxpayer advocate office in every state, the District of Columbia and Puerto Rico. To find your advocate:
    • Visit www.irs.gov/advocate
    • Call us toll-free at 1-877-777-4778
    • Check your local directory
    • Look at Pub. 1546, Taxpayer Advocate Service – Your Voice at the IRS, which lists our offices nationwide
  7. Our tax toolkit at www.taxpayeradvocate.irs.gov has basic tax information, details about tax credits, and more.
  8. TAS also handles broader problems that affect many taxpayers. If you know of one of these systemic issues, please report it to us at www.irs.gov/sams.
  9. You can get updates at:
  10. TAS is here to help you because when you're dealing with a tax problem, the worst thing you can do is to do nothing at all!
September 2015
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Upcoming Tax Dates

September 7 Everyone
Federal Holiday (Labor Day) - Details

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

September 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 August.

September 14 Regular method taxes
Deposit the tax included in amounts billed or tickets sold during the last 16 days of August.

September 15 Individuals
Make a payment of your 2015 estimated tax if you are not paying your income tax for the year through withholding (or will not pay in enough tax that way). Use Form 1040-ES. This is the third installment - Details

September 15 Corporations
File a 2014 calendar year income tax return (Form 1120) and pay any tax, interest, and penalties due. This due date applies only if you timely requested an automatic 6-month extension - Details

September 15 S Corporations
File a 2014 calendar year income tax return (Form 1120S) and pay any tax due. This due date applies only if you timely requested an automatic 6-month extension - Details

September 15 Partnerships
File a 2014 calendar year return (Form 1065). This due date applies only if you were given an additional 5-month extension - Details

September 15 Corporations
Deposit the third installment of estimated income tax for 2015 - Details

September 15 Social security, Medicare, and withheld income tax
If the monthly deposit rule applies, deposit the tax for payments in August.

September 15 Nonpayroll withholding
If the monthly deposit rule applies, deposit the tax for payments in August.

September 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 August.

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

September 29 Regular method taxes (special September deposit rule)
Deposit the tax for the period beginning September 16 and ending September 26.

September 29 Communications and air transportation taxes under the alternative method (special September deposit rule).
Deposit the tax included in amounts billed or tickets sold during the period beginning September 1 and ending September 11.

September 30 Wagering tax
File Form 730 and pay the tax on wagers accepted during August.

September 30 Heavy highway vehicle use tax
File Form 2290 and pay the tax for vehicles first used in August.

View More Tax Dates