| Combine both Percentage and Flat Dollar amount | OLI_TAX_CALCMETH_COM | 9 |
| Do not withhold taxes | OLI_WITHCALCMTH_NONE | 4 |
| Flat Dollar - Specified dollar amount | OLI_TAX_CALCMETH_FLAT | 8 |
| Greater of Percentage or Flat Dollar | OLI_TAX_CALCMETH_GRT | 7 |
| Lesser of Percentage or Flat Dollar amount | OLI_TAX_CALCMETH_LSR | 5 |
| Lookup in taxing tables | OLI_TAX_CALCMETH_TABLE | 12 |
| Other | OLI_OTHER | 2147483647 |
| Override Default Rate overriding the standard rate | OLI_WITHCALCMTH_OVERRIDE | 3 |
| Specified percentage | OLI_TAX_CALCMETH_SPECPCT | 6 |
| Standard | OLI_WITHCALCMTH_STANDARD | 1 |
| Table plus Flat Dollar | OLI_TAX_CALCMETH_TBLFLAT | 10 |
| Table plus Percentage | OLI_TAX_CALCMETH_TBLPCT | 11 |
| Unknown | OLI_UNKNOWN | 0 |
| Use the Backup amount or rate applicable. | OLI_WITHCALCMTH_BACKUP | 2 |