Chapter XXXII: Section 4: The validity of the public debt of the United States,

authorized by law, including debts incurred for payment of pension and bounties for services in suppressing insurrection or rebellion, shall not be questioned. But neither the United States nor any State shall assume or pay any debt or obligation incurred in aid of insurrection or rebellion against the United States, or any claim for the loss or emancipation of any slave, but all such debts, obligations, and claims shall be held illegal and void.

[Footnote: _Section 4_. Repeat the provision with regard to the validity of the public debt. With regard to any debt incurred in aid of insurrection or rebellion.]