Part 5.2 BEG - Beginning Segment of 850 - Purchase Order

Beginning Segment for Shipping Schedule/ Production Sequence

Transaction Set Purpose Code - The code could be changed based on the requirement

• 00 - Original Order
• 01 - Change Order
• 02 - Cancellation Order

Others - Purchase Order Type. It will depend on the order type.

• SA - Standard Alone Order
• SO - Shipping Order

Purchase Order Number - It is Very important information for the business document or transaction set. Identifying number for Purchase Order Assigned by the ordered/purchaser. Without 856, The purchase order number will be mentioned in all the business document or transaction set between two trading partners.

Purchase Order Date - It is a mandatory element in the purchase order document. It’s format CC/YY/MM/DD 

Acknowledgment Type - Based on this information the receiver will send an Acknowledgment to the sender. 

Here, NA - No Acknowledgement Needed.