These methods are used to view invoices available for a vendor
| Name | Summary | 
|---|---|
| PostInvoices | Get list of invoices for a vendor | 
| PostInvoiceDetail | Get Invioce Detail | 
| PostSearchInvoices | Search Invoices | 
| PostSearchInvoiceDetail | Search Invoice Detail | 
| PostRetrieveItemInformation | Retrieve Item Information | 
| PostRetrieveItemIssuesInformation | Retrieve Item Issue Information |