In the billing document there are Three exchange rates:
They are:
1) Exchange Rate for Price Determination VBRP-KURSK between Loc. currency <-> Doc. currency.
The determination of this exchange rate depends on the setting of field TVCPFLP-PFKUR in customizing copy control.
In t-code VTFL in item data, you can try with different options in the field PricingExchRate type
PricingExchRate type Short Descript.
A
Copy from sales order
B
Price exchange rate = Accounting rate
C
Exchange rate determination according to billing date
D
Exchange rate determination according to pricing date
E
Exchange rate determination according to current date
F
Exch. rate determination accord. to date of services rendered
2) Exchange rate for FI postings VBRK-KURRF between Loc. currency <-> Doc. currency.
If there is a manual entry in the sales order field VBKD-KURRF (Goto -> Header -> Accounting), then it is copied into VBRK-KURRF.
Otherwise VBRK-KURRF is determined automatically during
invoice creation. See the SAP note 36070.
3) The Exchange rate KKURS at condition level between
Cond. currency <-> Loc. currency.
It is always determined according to the Pricing date.
See the SAP notes 92613, 97487.
System has a field: Set exchange rate (VBRK-CPKUR), which is set to 'X' during VF01 if the field VBKD-KURRF of the referred sales document is not initial. The field VBKD-KURRF is not initial when the user inserted a value manually in the sales document.
Otherwise, if the sales document was created with reference to a billing document. In this case the field VBKD-KURRF is filled from VBRK-KURRF of the copied billing document (in the billing document VBRK-KURRF is always filled).
The copying of VBKD-KURRF from VBRK-KURRF occurs in the copy-routine set in transaction VTAF.
