Column missing in R12 Open Interface Invoice Form (under Invoice Entry)

Hi we are upgrading from 11i to R12 and found that some columns which is available in 11i are missing in R12 from Open Interface Invoice window/form:-

Responsibility: any Payable responsibility (N)>Invoice Entry>Open Interface Invoices and the below are the columns/field are missing in R12:-

From header level:-

1. PREPAY DIST NUM
2. ACCTS PAY CODE CONCATENATED
3. PAYMENT METHOD
4. USSGL TRANSACTION CODE

From Line level:-

1. AMOUNT INCLUDES TAX
2. USSGL TRANSACTION CODE
3. SUPPLIER ITEM NUMBER

and the fields “TAX CODE” AND “TAX CODE ID” REPLACED BY “TAX RATE ID” AND “TAX RATE CODE”, RESPECTIVELY?

Any body is having idea or any input on this pelase? and if this columns are obsolete in R12 and is there any replacement column in R12, please suggest..