The key tool in Global Logistics Shield to maintain timely freight payment amongst participants, is The GLS Timely Freight Payment Monitoring & Alerting Scheme, consisting of the following elements:

1. logging invoices from creditors: the creditor must log invoices for payment by participant how to do?
2. validating logged invoices with participant: GLS will validate with participant that participant agrees to invoice how is this done? 
3. validating timely payment from participant to creditor: when invoice is due, GLS will request your confirmation that invoice is settled in time how is this done? 
4. follow-up on overdue payment from participant to creditor: if invoice not paid in time, GLS will follow-up directly with covered participant how is this done?   
5. raising AMBER ALERT for participant with overdue payments directly to all participants/creditors, to partner industry directories and to partner industry credit default reporting services how is this done?   
6. clearing of  AMBER ALERT for participant in case of overdue payments duly settled how is this done?   
7. raising RED ALERT for participant unable to, or unwilling to, clear overdue debt, to all participants/creditors, to partner industry directories and to partner industry credit default reporting services what does this mean? 
8. support to creditors with overdue payments for bankruptcy proceedings, of self-initiation of bankruptcy proceedings