"Thank you for your contribution which will be deposited to the account "Gifts to Reduce the Public Debt." Your contribution is accepted under the provisions of 31 U.S.C. 3113 which authorizes the Secretary of the Treasury to accept conditional gifts to the United States for the purpose of reducing the public debt. These donations are voluntary, and no goods, services, or other considerations are provided to the donors."
Thank you to the Treasury Department for presenting a positive solution to our deficit monstrosity.
I do find it amusing to donate towards the public debt by using a credit card. I fancy this is a uniquely American solution.