Document Fiscal Classification not Defaulting from Return Receipt to Debit Memo.

Summary:

How can I automatically populate the value selected in the 'Document Fiscal Classification' field during submission, so it defaults into the associated debit memo? Specifically, this value should appear in the 'Document Fiscal Classification' field in the Invoice Header under the Tax tab.

Content (please ensure you mask any confidential information):

When am creating a return receipt, the Document Fiscal Classification field value selected during submission is not defaulting into the associated debit memo. Assitance is required to ensure the value from return receipt defaults automatically in the debit memo. Users are required to manually select the value in the debit memo, which they do not want to do.