SAP Table TTXB - fields that serve as base for maximum tax

Field Key Data Element Type Offset Leng Decimals Check Table Text
MANDT X MANDT CLNT 0 3 0 T000 Client
KALSM X KALSM_D CHAR 3 6 0 T683 Procedure (Pricing, Output Control, Acct. Det., Costing,...)
BASE_FIELD X BASE_FIELD CHAR 9 30 0 Field from which values are accumulated to check max tax
BASE_TYPE BASE_TYPE CHAR 39 1 0 Type of base field from which values are accumulated for tax