def METHOD_NAME(self, instance, subsystem):
    self.backup(subsystem.cs_conf)
    # update documentation
    subsystem.config['log.instance.SignedAudit._003'] = \
        '## To list available audit events:'
    subsystem.config['log.instance.SignedAudit._004'] = \
        '## $ pki-server %s-audit-event-find' % subsystem.name
    subsystem.config['log.instance.SignedAudit._005'] = \
        '##'
    subsystem.config['log.instance.SignedAudit._006'] = \
        '## To enable/disable audit event:'
    subsystem.config['log.instance.SignedAudit._007'] = \
        '## $ pki-server %s-audit-event-enable/disable <event name>' % subsystem.name
    subsystem.config['log.instance.SignedAudit._008'] = \
        '##'
    # update selected audit events
    self.update_audit_events(subsystem, 'log.instance.SignedAudit.events')
    # update mandatory audit events
    self.update_audit_events(subsystem, 'log.instance.SignedAudit.mandatory.events')
    # remove unselected audit events
    subsystem.config.pop('log.instance.SignedAudit.unselected.events', None)
    # update audit event filters
    self.update_audit_event_filters(subsystem, 'log.instance.SignedAudit.filters.')
    subsystem.save()