When APPC Status Codes and System Field Values are Returned

These are the status codes and system fields returned by the communications commands.

Command	APPCCODE	APPCERC	RECEIVED	RECEIVED
ALLOCATE	l	l
CONFIRM	l	l		l
CONFIRMED	l	l
DEALLOCATE	l	l
PREPARE-TO- RECEIVE	l	l
RECEIVE-AND- WAIT	l	l	l
REQUEST-TO- SEND	l	l
SEND-DATA	l	l		l
SEND-ERROR	l	l		l

Keep in mind:

Status codes are updated after each communications command executes.
A condition can be reported when the communications command that caused the error executes or when a subsequent communications command executes.