https://userapps.support.sap.com/sap/support/knowledge/en/3746516
3746516 - Difference Between Condition Types MWVS/MWAS in ECC and MWVR/MWAR in S/4HANA Cloud for...
After moving from SAP ECC to SAP S/4HANA Cloud Public Edition, the condition types assigned to tax codes differ. For example, in ECC input tax uses MWVS and...