Create Purchase Orders using Webservice without passing Ship to Location

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Is it possible to create a PO without passing Ship to location code using SOAP webservice?
PFA the payload I am using. Requirement is to create PO without passing Ship to location. However, if i comment Ship to location, I get the error as attached.
Is there a way to create PO using webservice without passing ship to Org?

Looks like this is a code validation which is imposed on import options for POs as per the reference document below. Is this applicable to PO creation from Webservice as well?
Unable To Import Contract Purchasing Agreements Without Giving Ship To Location Details (