A sheet processing apparatus, comprising: a first storage unit and a second storage unit, each of which is configured to store a sheet; a transport unit that is configured to transport the sheet; a recognition unit that is configured to recognize the sheet; an outlet section that is configured to discharge the sheet recognized as normal in first recognition processing that is performed by the recognition unit on the sheet stored in the first storage unit; a temporary storage unit that is configured to store the sheet recognized as abnormal in the first recognition processing; and a control unit that is configured to control the transport unit and the recognition unit such that storage control processing is performed, the storage control processing being processing in which the sheet stored in the temporary storage unit is transported to the first storage unit or the second storage unit, wherein the storage control processing comprises: first processing in which, in a case where a predetermined condition is satisfied, the sheet stored in the temporary storage unit is transported to the second storage unit, the predetermined condition comprising a first condition related to a number of sheets stored in the temporary storage unit; and second processing in which, in a case where the predetermined condition is not satisfied, the recognition unit performs second recognition processing on the sheet stored in the temporary storage unit, the sheet recognized as normal is transported to the first storage unit, and the sheet recognized as abnormal is transported to the second storage unit. a first storage unit and a second storage unit, each of which is configured to store a sheet; a transport unit that is configured to transport the sheet; a recognition unit that is configured to recognize the sheet; an outlet section that is configured to discharge the sheet recognized as normal in first recognition processing that is performed by the recognition unit on the sheet stored in the first storage unit; a temporary storage unit that is configured to store the sheet recognized as abnormal in the first recognition processing; and a control unit that is configured to control the transport unit and the recognition unit such that storage control processing is performed, the storage control processing being processing in which the sheet stored in the temporary storage unit is transported to the first storage unit or the second storage unit, wherein the storage control processing comprises: first processing in which, in a case where a predetermined condition is satisfied, the sheet stored in the temporary storage unit is transported to the second storage unit, the predetermined condition comprising a first condition related to a number of sheets stored in the temporary storage unit; and second processing in which, in a case where the predetermined condition is not satisfied, the recognition unit performs second recognition processing on the sheet stored in the temporary storage unit, the sheet recognized as normal is transported to the first storage unit, and the sheet recognized as abnormal is transported to the second storage unit. first processing in which, in a case where a predetermined condition is satisfied, the sheet stored in the temporary storage unit is transported to the second storage unit, the predetermined condition comprising a first condition related to a number of sheets stored in the temporary storage unit; and second processing in which, in a case where the predetermined condition is not satisfied, the recognition unit performs second recognition processing on the sheet stored in the temporary storage unit, the sheet recognized as normal is transported to the first storage unit, and the sheet recognized as abnormal is transported to the second storage unit.