The linkage editor can include the CLIv2 stub automatically with COBOL programs; this stub inclusion is related to the use of DBCHSAD.
Including only the TDARDI module in the link:
The TERADATA.CXILOAD library must be in the CICS startup JCL.
Re-linking is required if changes are made to the application. the Teradata CLIv2 stub, or the PP2 stub.