The purchase order number set by the buyer.
ordchg_Examples
<documentReference documentType="BuyerOrder" id="Sample_PO0000105" date="2020-08-25" /> ordchg_XPATH
/b24Message/orderChange/documentReference[@documentType="BuyerOrder"]/@id
ordchg_Edifact_Path
ORDCHG.RFF.C506.1154
ordchg_Edifact_Qualifiers
ORDCHG.RFF.1153 = ON
ordchg_edifact_sample
RFF+ON:555666' DTM+171:20200825'
ordchg_Required
Yes
ordchg_Type
Text
ordchg_Sort
2000