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Reference Materials

Government Websites

Internal Revenue Service (IRS)

Social Security Administration
Learn how the Social Security Administration can help with your retirement, medicare, disability, survivorship and other benefit questions.

U.S. Small Business Administration
The SBA site contains a wealth of information for entrepreneurs and small business owners.

A Collection of Small Business Resources (courtesy of the IRS)
Useful information for businesses; whether you are already in business, just starting, or expanding to a new state – there is something here for you!

City of Philadelphia Revenue Department

Berkheimer Tax Administration

Frequently Used Forms

Form W-4 Employee’s Withholding Allowance Certificate

Form W-9 Request for Taxpayer ID Number

Other Resourceful Links

Financial Calculators
Try the various interactive financial calculators; enter your information and you will get your questions answered with calculations, dynamic graphs and personalized reports.

Where’s My IRS Refund?
You filed your tax return and you’re expecting a refund. You have just one question and you want the answer now – Where’s My Refund? Whether you opted for direct deposit or asked IRS to mail you a check, you can track your refund through this secure website.