It is confirmed whether or not a job that instructs the execution of multiple processes using the XML language includes a process that cannot be executed by a job processing unit, and in the case where it has been confirmed that the job includes a process that cannot be executed by the job processing unit, the job processing unit is caused to execute a process that the job processing unit is capable of executing from among the multiple processes. Processes that cannot be executed by the job processing unit are ignored, cancelled, or processed according to a pre-set specification.