98.5% availability of core system functionality and performance within SLA limits during core hours over any given calendar month.
| April 2020 | |
| SLA Key Indicator – System availability | 99.98% |
| SLA Key Indicator – Invoice performance | 100% |
| SLA Key Indicator – Purchase Order performance | 99.2% |
| SLA Key Indicator – Invoice Status Service performance | 99.9% |
| March 2020 | |
| SLA Key Indicator – System availability | 99.95% |
| SLA Key Indicator – Invoice performance | 99.9% |
| SLA Key Indicator – Purchase Order performance | 96.1% |
| SLA Key Indicator – Invoice Status Service performance | 100% |
| February 2020 | |
| SLA Key Indicator – System availability | 99.9% |
| SLA Key Indicator – Invoice performance | 100% |
| SLA Key Indicator – Purchase Order performance | 97.9% |
| SLA Key Indicator – Invoice Status Service performance | 100% |
| January 2020 | |
| 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 2019 | |
| SLA Key Indicator – System availability | 99.87% |
| SLA Key Indicator – Invoice performance | 100% |
| SLA Key Indicator – Purchase Order performance | 98.8% |
| SLA Key Indicator – Invoice Status Service performance | 100% |
| November 2019 | |
| 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% |
| October 2019 | |
| SLA Key Indicator – System availability | 99.95% |
| SLA Key Indicator – Invoice performance | 100% |
| SLA Key Indicator – Purchase Order performance | 97.5% |
| SLA Key Indicator – Invoice Status Service performance | 100% |
| September 2019 | |
| 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% |
| 6 Months (August 2019 to February 2020) | |
| SLA Key Indicator – System availability | 99.59% |
| SLA Key Indicator – Invoice performance | 100% |
| SLA Key Indicator – Purchase Order performance | 97.5% |
| SLA Key Indicator – Invoice Status Service performance | 100% |