Mississippi constitution
Article 14
Section 258

The credit of the state shall not be pledged or loaned in aid of any person, association, or corporation; and the state shall not become a stockholder in any corporation or association, nor assume, redeem, secure, or pay any indebtedness or pretended indebtedness alleged to be due by the state of Mississippi to any person, association, or corporation whatsoever, claiming the same as owners, holders, or assignees of any bond or bonds, now generally known as "Union Bank" bonds and "Planters Bank" bonds.