Here we would like to draw your attention to ACO1 transaction code in SAP. As we know it is being used in the SAP CA (Cross Application) module. ACO1 is a transaction code used for Activities for Authorization Check in SAP.
It comes under the package ACO.
Transaction ACO1 technical data table
| Tcode | ACO1 |
| Purpose | Activities for Authorization Check |
| Module | CA |
| SAP Package | ACO |
| Type | P |