Mexico City’s Construction Regulations create the figure of the Director Responsable de Obra, the Responsible Director of Works. Article 32 defines this director as “la persona física auxiliar de la Administración” (the individual who assists the administration), with authorization and registration from the city.
Under Article 34, the director gives a responsiva, a signed acceptance of responsibility, when he “tome a su cargo el cumplimiento normativo del proyecto y la dirección de la ejecución de una obra” (takes charge of the project’s compliance with the rules and of the direction of the work).