There are many great sites on the World Wide Web but trying to actually find those great sites can be a frustrating experience. We have compiled a list of Websites that we have found to be helpful resources of information. When you click on a link, a new window will pop up. Close the window when you are ready to return to this page. Tax EFTPS Electronic Federal Tax Payment System. The easiest way to pay your federal taxes. Publication 600-Sales Tax Tables Explains the optional state sales tax deduction. Form 5695 for Residential Energy Credits Forms and instructions for residential energy credits available in 2006 and 2007. IRS Provides Guidance for Energy Credits for Homeowners IRS letter explaining residential energy credits for homeowners.