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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. Client Sites
McMahon & Company Facebook Page
Join our Facebook Page for up-to-date information. LinkedIn
Tax
The Internal Revenue Service
Electronic Federal Tax Payment System
Virginia Department of Taxation
Comptroller of Maryland
District of Columbia Office of the Chief Financial Officer
Federation of Tax Administrators (all states)
Roth IRA Website
Financial
HD Vest Financial Services
Rosemary McMahon offers financial services through her affiliation with HD Vest Financial Services. Governmental
Social Security Administration
Small Business Administration
Federal Register
Energy Star Website
See if the energy credit applies to your purchases. Domestic per diem rates
Miscellaneous
Charitable Giving
Federal Consumer Information Center
Salvation Army Non-cash Value Guide
Accounting
Currency Exchange Rates
Tax & Accounting Reference
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