No need. The volunteer book refers to the volunteer book of China * * * Productive Youth League, which is the file of junior league members. It doesn't need the seal of any department, but only needs the individual to express his will voluntarily and in writing, and then hand it over to the school head teacher or the school league branch, or to the competent leaders of the units and departments, waiting for the approval of the league organization. Therefore, the application for membership does not require the seal of the school.