| Parameter | Reference | Type | Length | Default | Optional | Text |
|---|---|---|---|---|---|---|
| IF_MONTH | TZNMONTHFR | N | 2 | Start of Summer time (month) | ||
| IF_WEEKD | TZNWEEKDFR | N | 1 | Start of Summer time (day of the week) | ||
| IF_WEEKDC | TZNWEEKDCF | N | 1 | Start of Summer time (nth occurrence of day) | ||
| IF_YEAR | TZNYEARACT | N | 4 | Valid for year |
| Parameter | Reference | Type | Length | Text |
|---|---|---|---|---|
| EF_DATE | DATS | D | 8 |