The date when the order was issued by the buyer.

ordchg_Examples
 <documentReference documentType="BuyerOrder" id="Sample_PO0000105" date="2020-08-25" /> 
ordchg_XPATH

/b24Message/orderChange/documentReference[@documentType="BuyerOrder"]/@date

ordchg_Edifact_Path
ORDCHG.RFF.DTM.C507.3280
ordchg_Edifact_Qualifiers
ORDCHG.RFF.1153 = ON, DTM.C507.2005 = 171, DTM.C507.2379 = 102
ordchg_edifact_sample
RFF+ON:555666' DTM+171:20200825'
ordchg_Required
No
ordchg_Type
Date/Time
ordchg_Sort
1900