133-1. Employment of architects, etc., on public works when interested in use of materials prohibited.
It shall be unlawful for any architect, engineer, or other individual, firm, or corporation providing design services for any city, county or State work supported wholly or in part with public funds, knowingly to specify any building materials, equipment or other items which are manufactured, sold or distributed by any firm or corporation in which such designer or specifier has a financial interest by reason of being a partner, officer, employee, agent or substantial stockholder.