Hi K. Mam,
Please submit to request the ARIBA access and registration in the part of supplier as the instruction attached file herewith. You can find the step by step guide from the instruction.
To ensure that you inputs the correct information, please use the following details to associate with the access ;-
1. Purchasing Vendor Number (PVEN): 0050123164
2. Business Unit Affiliation: Services_Thailand : SR_SAP8
3. Access Type: External
4. Groups: Invoice Creator - External
Should you have any query, please directly contact by myself as undersigned or eProcurement team as E-mail : PSS-eProc-gmb@chevron.com.