In SAP, the main transaction code to manage Info Records (Purchasing Info Records) is:
TCode | Name | Function
ME11 | Create Info Record | Create a vendor-material purchasing info record
ME12 | Change Info Record | Modify an existing info record
ME13 | Display Info Record | View details of an info record
ME1M | Info Records per Material | List all info records for a material
ME1L | Info Records per Vendor | List all info records for a vendor