Missouri constitution
Article XI: corporations
Section 7

No corporation shall issue stock, or bonds or other obligations for the payment of money, except for money paid, labor done or property actually received; and all fictitious issues or increases of stock or indebtedness shall be void; provided, that no such issue or increase made for valid bona fide antecedent debts shall be deemed fictitious or void. The stock or bonded indebtedness of corporations shall not be increased nor shall preferred stock be issued, except according to general law.