You can bypass default label assumptions and label processing using JCL directives like BLP, NL, etc.
When I was in mainframe operations and at times ran the Production Control Center (triage), I rescued some systems from being rerun due to clobbered labels by altering JCL.
https://www.ibm.com/docs/en/zvse/6.2?topic=SSB27H_6.2.0/fa2m...
You can bypass default label assumptions and label processing using JCL directives like BLP, NL, etc.
When I was in mainframe operations and at times ran the Production Control Center (triage), I rescued some systems from being rerun due to clobbered labels by altering JCL.