Here we would like to draw your attention to OQZN transaction code in SAP. As we know it is being used in the SAP QM (Quality Management) module. OQZN is a transaction code used for Number ranges for quality certs. in SAP.
It comes under the package QI.
Transaction OQZN technical data table
| Tcode | OQZN |
| Purpose | Number ranges for quality certs. |
| Module | QM |
| SAP Package | QI |
| Type | P |