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Knowing when to use CALL statement or LINK command

I have two separate CICS programs. One CICS program can invoke another CICS program. This can be done in two ways, namely CALL statement or LINK command. I would like to know when to use the CALL statement and LINK command?
You should always use XC LINK to access another program. If you can statically link the second program to the first, then by all means use the language-dependant CALL function. But then you do not get a general use of the second module.

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