| Code | E.5.2.1 |
| Level | 3 |
| Name (en) | Manage purchasing supplier relations |
| Documentation (en) | The ability to maintain a relationship with purchasing suppliers. This includes strategic, tactical and operational levels. |
| N3 waardestroom E.E | |
| N3 waardestroom E.B | |
| N3 waardestroom E.F | |
| N3 capabilities | |
| N3 waardestroom E.D | |