Idaho Constitution Art. XII, § 4. Municipal corporations not to loan credit

No county, town, city, or other municipal corporation, by vote of its citizens or otherwise, shall ever become a stockholder in any joint stock company, corporation or association whatever, or raise money for, or make donation or loan its credit to, or in aid of, any such company or association: provided, that cities and towns may contract indebtedness for school, water, sanitary and illuminating purposes: provided, that any city or town contracting such indebtedness shall own its just proportion of the property thus created and receive from any income arising therefrom, its proportion to the whole amount so invested.