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