Here we would like to draw your attention to OIZ1 transaction code in SAP. As we know it is being used in the SAP PM (Plant Maintenance) module. OIZ1 is a transaction code used for WrkCtrCategory. by ApplicType in SAP.
It comes under the package INSC.
Transaction OIZ1 technical data table
| Tcode | OIZ1 |
| Purpose | WrkCtrCategory. by ApplicType |
| Module | PM |
| SAP Package | INSC |
| Type | P |