7. DATE OF BIRTH                NUM       8    28   35  THIS DATE SPECIFIES THE BENEFICIARY'S DATE OF
                                                            BIRTH.
                                                            8 DIGITS
                                                            STANDARD ALIAS: BENE_BIRTH_DT
                                                            COMMON ALIAS: DOB
                                                            EDIT-RULES:
                                                            YYYYMMDD
                                                            SOURCE:
                                                            SSA AND RRB BENEFICIARY RECORD SYSTEMS