If you're a small business or a self-employed individual who needs answers to tax questions, educational materials or tools to help you run your business, check out the IRS's Small Business and Self-Employed Tax Center on this website.

This one-stop shop offers extensive resources and online tools to help small businesses and self-employed persons by providing resources such as:.

  • Small business forms and publications
  • Online applications for an Employer Identification Number
  • Employment tax information – federal income tax, Social Security and Medicare taxes, FUTA and self-employment tax
  • Tax-related news that could affect your business
  • Small business educational events
  • IRS videos for small businesses
  • A-Z Index for Business, a fast way to find information

The site provides important federal tax information for all stages of owning a business, whether you're starting, operating or closing a business.

Other resources available on the IRS website include:

The IRS Video Portal:
Tax questions? Learn about tax topics through video and audio presentations on the IRS Video Portal. The video portal contains archived video of live panel discussions and audio from national phone forums, as well as other webinars and video clips.

IRS Audits Video Series:
"Your Guide to an IRS Audit" takes the viewer through the steps of an audit from notification to closing. The video series is composed of scenarios that demonstrate the stages of each type of audit: correspondence, office and field. The scenarios address issues that are common to audits of small businesses.

Virtual Small Business Tax Workshop:
The IRS Virtual Small Business Tax Workshop is an interactive resource to help small business owners learn about their federal tax rights and responsibilities. The workshop contains nine stand-alone lessons that can be selected and viewed in any sequence. The workshop is available online 24 hours a day, seven days a week from any computer. It can also be ordered on CD.

Tax Calendar for Small Business Taxpayers:
The Tax Calendar for Small Businesses and Self-Employed – Publication 1518 – is available online or as a printable PDF file. This 12-month calendar is filled with information on general business taxes, IRS and Social Security Administration customer assistance, electronic filing and paying options, retirement plans, business publications and forms, and common tax filing dates. Each page highlights different tax issues and tips that may be relevant to small-business owners, with room on each month to add notes, state tax dates or business appointments. You can also download the tax events into your calendar or subscribe to the tax calendar events. The calendar provides the small business owner with a ready resource for meeting their tax obligations.

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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