The ID of the person responsible for maintaining this security sign-on record. When a Status 4 or 5 sign-on record adds a new record, the operator ID field is used to group sign-ons for this particular supervisor. If a sign-on does not have the same operator ID as the record, the record cannot be accessed by the supervisor. This field cannot be maintained; however, the operator ID of the supervisor may be modified as follows: the Security Supervisor sign-on (which can access any operator ID) must be signed on, then the security record in question must be brought up and then status changed to 9 (to be purged). If a security record is in Status 9, the operator ID of the supervisor will be reassigned to the operator who changes the status from 9 to 1.