Reglamento General de Seguridad e Higiene Industrial, Cap. IV -- Ascensores de personas. No incluido en el índice bajo Ley 149 de 12 dic, 2005

Doors Interlocks or Contacts, or Car- p.58 Door or Gate Contacts. Devices other than those specified in Rule 111.10, and in Part II, Section 210, Rule 210.1e, shall not be installed to render inoperative hoistway-door interlocks, the contacts, of combination mechanical locks and electric contacts, or car-door or gate electric contacts. (See also Part X, Section 1000, Rule 1000.4). United States