--- id: BEG name: Beginning Segment for Purchase Order purpose: To indicate the beginning of the Purchase Order Transaction Set and transmit identifying numbers and dates elements: - { ref: BEG01, id: '353', req: M } - { ref: BEG02, id: '92', req: M } - { ref: BEG03, id: '324', req: M } - { ref: BEG04, id: '328', req: O } - { ref: BEG05, id: '373', req: M, description: The date assigned to the purchase order by the purchaser. } - { ref: BEG06, id: '367', req: O } - { ref: BEG07, id: '587', req: O } - { ref: BEG08, id: '1019', req: O } - { ref: BEG09, id: '1166', req: O } - { ref: BEG10, id: '1232', req: O } - { ref: BEG11, id: '786', req: O } - { ref: BEG12, id: '640', req: O }