This table describes the major functions of the Form SS-4 process at SSA as shown
            in the flowchart in this section. NOTE: The function number and name in the table corresponds to the number of the function
            shown in the flowchart.
         
         
            
               
                  
                  
               
               
                  
                  
                     
                     | Function | Description | 
               
               
                  
                  
                     
                     | 1  Receives File from IRS weekly. | The Office of Telecommunications and Systems Operation (OTSO) 
                           
                              
                                 • 
                                    receives the file for SSA, and
                              
                                 • 
                                    sends file to the Center for Automation, Security, and Integrity (CASI). | 
                  
                     
                     | 2  Data File run through Census Bureau Autocoder Program | Generates two output files: 
                           
                              
                                 • 
                                    Autocoded – Records with a valid six-digit NAICS code.
                              
                                 • 
                                    Clerical – Records without a valid NAICS code. | 
                  
                     
                     | 3  Autocoded files to database | (CASI) loads the Autocoded file into a database where the records accumulate until
                           the end of the month.
                         | 
                  
                     
                     | 4  Clerical files to database | (CASI) loads the Clerical file into the SS-4 Automation application database for the
                           (DEBS) to process.
                         | 
                  
                     
                     | 5  SS-4 Automation Application | DEBS technicians manually assign NAICS codes to SS-4 records | 
                  
                     
                     | 6  Manual coded files | (CASI) loads the manual coded files into a database within the month. | 
                  
                     
                     | 7  Autocoded files | (CASI) loads the Autocoded files into a database within the month. | 
                  
                     
                     | 8-10  Create files for Census | Two files are created for Census: | 
                  
                     
                     | 11-13  Transmit files | Transmit one file to the IRS. Transmit two files to Census |