that we generally use to submit our jobs.
Can you be more specific? Where are you issuing the SUB from?
If you are asking about the ISPF editor, I believe that you use an initial macro to alter your edit environment. Use:
Address ISREDIT "DEFINE mysub ALIAS SUBMIT
Then you also need to write an editor macro called MYSUB to do your verifications. When it passes, use the SUBMIT macro statement.