Carta Circular OC-13-05 OFICINA DEL CONTRALOR Posted on September 26, 2012 by ocpr2May 18, 2021 Derogada por la Carta Circular OC-21-11 del 12 de mayo de 2021. Contratos – Número de Seguro Social Federal o PatronalShare this: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Click to share on LinkedIn (Opens in new window) LinkedIn Click to email a link to a friend (Opens in new window) Email Click to print (Opens in new window) Print