Decree 1187 of 15 May established National Police ranks for detectives, in an ascendant order and depending on time in rank. Fourth Class detectives, 2 years in rank; Third Class detectives, 3 years in rank; Second Class detectives, 4 years in rank; First Class Detectives and Detective in Chief with an additional requirement of a major in law or previously been an Instructional Judge. Non-commissioned officers and sub-lieutenants were allowed as Fourth Class detectives if they reached the condition needed of being younger than 35 years old. By this same time a Detective Promotions board was established and conformed by the Director of the National Police, the Secretary of the National Police, the Director of the National Department of Security, the Director of the General Santander Academy and the Personnel Department Chief. These detectives were sorted internally into different promotional categories taking in consideration the time in grade, professional aptitudes, instruction and conduct observed in the institution.