SAP Note 28833 - MR01: FF718 Tax code not mantained for jurisd.code

Symptom:

Key words: MR01, US, taxes, jurisdiction code.

Error occurs in a number of cases:
Case 1
1) Entering a vendor invoice.
2) Enter tax code on vendor screen
but select tax code TAX-EXEMPT
Do not select "Calculate tax"
3) Tax code and jurisdiction code are copied from the purchase
order.
4) Simulate or post --> error

FF718 'Tax code is not maintained for jurisdiction code'.

If you select "Calculate tax" or you do not enter a tax code on the
vendor screen, the error does not occur.

Case 2
1) PO item with tax code TAX-EXEMPT
2) Invoice for PO: change tax code, do not enter tax
amount, have system calculate tax.
3) Simulate or post -->
Error FF718 'Tax code is not maintained for jurisdiction code'.

Cause and prerequisites
Solution
Corrected in release 3.0B.
Prior to that and in releases 22A to 22Z, insert the following changes to the code:

Additional key words

MR01 jurisdiction code FF718 TXJCD