The District and P. C.E.A. agree that the District shall not permit volunteer services for any work customarily and usually performed by people in positions represented by P.C.E.A., provided, however, that such volunteer services may occur after advanced filing of an agreement for such volunteer services signed by the PCEA President and the PUSD Superintendent. Filing shall be accomplished on the form titled “VOLUNTEER EVENT APPLICATION”. Such form shall be included in this MOU in the appendix attachments. Volunteer Event Applications are limited to a three day duration. Such days may be consecutive or non-consecutive. Applications shall be made available at the District Office.