IFJCL – Default step to consider for JCL step return code checking
The @JCL tag is used to check the
return code of a previous JCL step in the current job. If the command
label is not specified, the default command to check is determined
by this OPTIONS keyword.
LAST_RC- Refers to the immediately preceding step.
LAST_XRC- Refers to the last step that was run and was not flushed. This is the default.
MAX_RC- Refers to the step that issued the maximum return code.