Program Operations Manual System (POMS)
   Basic (02-02)
   GN 01740.315 Facts About the Chilean Insurance Numbers
   
   
   
   
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               Persons who made contributions under the old system may have been assigned a Social
                  Insurance Number.
               
               
             
          
       
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               In 1980, Chile began issuing a National Personal Identification Number, known by the
                  Spanish acronym RUT, to all Chilean residents. The RUT has 9 characters (8 numbers
                  followed by a dash and a number or the letter K).