X_PAY_HEADER_SOURCE is a fixed lexicon with the following values:
| Saved Value | Displayed Value |
|---|---|
| 01 | IPPH Screen |
| 02 | IPTR Screen |
| 03 | IPTL Loader |
| 04 | UPTG Generator |
| 05 | External Source |
| 06 | UPCPAY Generator |
| 07 | UPRETRO Pay |
| 08 | UPCVAC Vacation Pay |
| 09 | UPVEND Proc Vendors |
| 10 | UPTL Loader |
| 11 | Final Pay |
| 12 | UPCTSP Generator |
| 13 | UPDISBV |
