Is EBTax applicable on Quotations in Oracle Purchasing Release 12?

There is an existing ER BUG 4765613 - INTERNAL REQUISITION TRANSFER CHARGE.

Current R12 Behavior: 

Tax Classification or any tax attributes are not supported in RFQ/Quotation Oracle E-Business Tax User Guide 

Release 12.2 Part Number E48751-03 Section - Managing Configuration Owners and Service Providers - Managing Event Class Settings 

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This table lists the event classes that are applicable to E-Business Tax: Application Event Class Payables Standard Invoices Payables Prepayment Invoices Payables Expense Reports Purchasing Requisition Purchasing Purchase Order and Agreement Purchasing Release ..... 

-- > RFQ/Quotation are not applicable to EBtax.