Below are links provided by the IRS to assist tax professionals.

•     IRS Home Page
•     IRS Withholding Calculator
•     2015 Tax Tables
•     Estate and Gift Taxes
•     Tax Tips
•     Quick Alerts Library
•     Electronic Federal Tax Payment System
•     Social Security Administration Online
•     Small Business Product Online Ordering
•     e-Services
•     Mailing Addresses
•     Refund Status