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Please Note: Contributions to the U.S. Chamber are not tax deductible as a charitable contribution. For 2015, 35% of contributions relates to lobbying and is not tax deductible as a business expense; 65% may be deductible as a business expense. The U.S. Chamber does not solicit or accept funds earmarked for political purposes.

If you are having problems joining or donating online, please call Customer Service at (202) 463-5604. Or if you would like to join or donate by sending a check in the mail, please make the check payable to U.S. Chamber of Commerce and mail it to 1615 H Street, NW, Washington, D.C. c/o Political Affairs and Federation Relations.

A contribution of $50.00 or more will qualify you for membership in the U.S. Chamber of Commerce. Click here to learn about our benefits.