What are the top issues with subcontract invoices?
1. Amount billed in excess of Subcontract Work Order (SWO) value. 2. Modification has not been issued to extend the Subcontract or SWO end date. 3. Contract Technical Manager (CTM) or Subcontract Manager (SM) rejected the invoice. 4. Incorrect hourly billing rates. 5. Incorrect indirect cost rate. 6. Fee billed in excess of 85%. 7. Insufficient back up documentation (lacking a document required for payment). 8. Invoiced costs must be reduced by retention amount.