Why Tax Expense account is not being used during Receipt Accounting?

Summary:

Why Tax Expense account is not being used during Receipt Accounting?

Content (please ensure you mask any confidential information):

We have a Tax Rate Code that includes Recoverable account, Liability account and an Expense account.

This tax rate code includes 0 recoverability, meaning it will present the tax on the transaction as Non-Recoverable tax.

If we do a stand alone invoice in Payables, it correctly presents the tax amount within the above Expense account as Non-Recoverable tax, instead of presenting the tax amount within the Charge/Distribution account of the invoice.

Our configuration includes Purchasing and Self-Service Procurement and have implemented Accrue On Receipt.