| If PeriodID@schemeName is "quarter" |
Map "01" for month if value is 1. |
| Map "04" for month if value is 2. |
| Map "07" for month if value is 3. |
| Map "10" for month if value is 4. |
| If PeriodID@schemeName is "month" or null |
Map "01" for month if value is 1. |
| Map "02" for month if value is 2. |
| Map "03" for month if value is 3. |
| Map "04" for month if value is 4. |
| Map "05" for month if value is 5. |
| Map "06" for month if value is 6. |
| Map "07" for month if value is 7. |
| Map "08" for month if value is 8. |
| Map "09" for month if value is 9. |
| Map "10" for month if value is 10. |
| Map "11" for month if value is 11. |
| Map "12" for month if value is 12. |
| if PeriodID is null |
null for 01. |