X_ADP_TAX_TYPE is a user-defined lexicon with the following values:

Saved
Value
Displayed Value
DED Deduction
PRE Pre-Taxable Note: Only one pay component for each ADP_TAX_CODE only one PRE pay component can be defined
TBL Taxable Note: Only one pay component for each ADP_TAX_CODE only one TBL pay component can be defined
GRS Gross This tax type is not normally used