X_UST_TAX_METHOD is a fixed lexicon with the following values:

Saved
Value
Displayed Value
01 Normal Method
02 Normal Method + %
03 Normal Method + Amt
04 % on element USTTERN
05 % on elem USTTPERC
06 Flat Amount
07 By Supplemental Meth
08 Normal/0 Tax/Upd Wg
10 PTD Method
11 PTD Method + %
12 PTD Method + Amount
99 Do Not Calculate
For employees with multiple assignments who are paid with multiple time sheets in one pay period

* PTD Method
* PTD Method +%
* PTD Method + Amount