Payment term from AR Transaction is not Transforming in CMK

Summary:

We are testing Einvoice . We have raised AR transaction and ran generate and transfer XML transactions. We see that the transaction in CMK .

In outbound of Original Message we are able to see "Payment Term" but this Payment Term is some how missing the record in Transformed message.

This is not happening for all only few PAyment Terms are having this issue. Please advise

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