SAP OSS Note 2077158 version 0003 contains details of a know issue related to RFUMSV00: Tax difference with payment documents . This includes any associated symptoms and instructions on how to fix it, see below for full details. Also check out the comments section to view/add related contributions, questions or screen shots, based on real life experience of this oss note and problem.
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The system displays a tax difference in RFUMSV00 for clearing documents
generated by the payment program if you execute RFUMSV00 with
the tax difference option (output lists). If you use transaction SE16 to
check the tax information (BSET) for the clearing document, t
he tax amount in the local currency (HWSTE) is negative, which is
essentially incorrect.
There is a program error, which occurs in the payment program only if
credit memos and invoices are cleared with cash discount clearin
g lines. The vendor net procedure was used to post the cleared documents
in the foreign currency with different exchange rates. In the
dialog box (FB05), separate cash discount clearing lines are generated
separately according to debit and credit. However, they are gr
ouped together in the payment program, and because, at this precise
moment in time, a zero balance is displayed in the document curren
cy and a balance other than zero is displayed in the local currency, the
plus/minus signs of the tax amounts are not changed.
Implement the correction and report (see attachment), which corrects the
house currency amounts for the tax information.
RFUMSV00, SAPF110S, vendor net procedure, KN, RN, F110