It is possible to provide an information processing apparatus capable of appropriately processing a job for case binding without depending on the sequence of page data constituting the job, a method for controlling the apparatus and a program. To accomplish this, a job for case binding is inputted, and the inputted job is stored in storage means of the image processing apparatus. A bookbinding cover attribute is set for page data to be a cover, in the job stored in the storage means. The order of output of page data in the job is determined based on the set attribute. The page data in the job stored in the storage means are read and outputted to a printer unit in accordance with the determined output order.