98.5% availability of core system functionality and performance within SLA limits during core hours over any given calendar month.
| September 2021 | |
| SLA Key Indicator – System availability | 99.96% |
| SLA Key Indicator – Invoice performance | 100% |
| SLA Key Indicator – Purchase Order performance | 100% |
| SLA Key Indicator – Invoice Status Service performance | 100% |
| August 2021 | |
| SLA Key Indicator – System availability | 99.89% |
| SLA Key Indicator – Invoice performance | 100% |
| SLA Key Indicator – Purchase Order performance | 100% |
| SLA Key Indicator – Invoice Status Service performance | 100% |
| July 2021 | |
| SLA Key Indicator – System availability | 99.95% |
| SLA Key Indicator – Invoice performance | 100% |
| SLA Key Indicator – Purchase Order performance | 100% |
| SLA Key Indicator – Invoice Status Service performance | 100% |
| June 2021 | |
| SLA Key Indicator – System availability | 99.96% |
| SLA Key Indicator – Invoice performance | 100% |
| SLA Key Indicator – Purchase Order performance | 100% |
| SLA Key Indicator – Invoice Status Service performance | 100% |
| May 2021 | |
| SLA Key Indicator – System availability | 99.99% |
| SLA Key Indicator – Invoice performance | 100% |
| SLA Key Indicator – Purchase Order performance | 100% |
| SLA Key Indicator – Invoice Status Service performance | 100% |
| April 2021 | |
| SLA Key Indicator – System availability | 99.90% |
| SLA Key Indicator – Invoice performance | 100% |
| SLA Key Indicator – Purchase Order performance | 99.8% |
| SLA Key Indicator – Invoice Status Service performance | 100% |
| March 2021 | |
| SLA Key Indicator – System availability | 99.99% |
| SLA Key Indicator – Invoice performance | 100% |
| SLA Key Indicator – Purchase Order performance | 100% |
| SLA Key Indicator – Invoice Status Service performance | 100% |
| February 2021 | |
| SLA Key Indicator – System availability | 99.90% |
| SLA Key Indicator – Invoice performance | 100% |
| SLA Key Indicator – Purchase Order performance | 100% |
| SLA Key Indicator – Invoice Status Service performance | 100% |
| January 2021 | |
| SLA Key Indicator – System availability | 99.99% |
| SLA Key Indicator – Invoice performance | 100% |
| SLA Key Indicator – Purchase Order performance | 100% |
| SLA Key Indicator – Invoice Status Service performance | 100% |
| December 2020 | |
| SLA Key Indicator – System availability | 99.95% |
| SLA Key Indicator – Invoice performance | 100% |
| SLA Key Indicator – Purchase Order performance | 100% |
| SLA Key Indicator – Invoice Status Service performance | 100% |
| November 2020 | |
| SLA Key Indicator – System availability | 99.53% |
| SLA Key Indicator – Invoice performance | 100% |
| SLA Key Indicator – Purchase Order performance | 100% |
| SLA Key Indicator – Invoice Status Service performance | 100% |
| October 2020 | |
| SLA Key Indicator – System availability | 99.94% |
| SLA Key Indicator – Invoice performance | 100% |
| SLA Key Indicator – Purchase Order performance | 100% |
| SLA Key Indicator – Invoice Status Service performance | 100% |
| September 2020 | |
| SLA Key Indicator – System availability | 99.92% |
| SLA Key Indicator – Invoice performance | 100% |
| SLA Key Indicator – Purchase Order performance | 100% |
| SLA Key Indicator – Invoice Status Service performance | 100% |