Data type
| Value | type | Description |
| 'S' | String | Alphanumeric free text (ASCII printable characters, no delimiter <SOH>) |
| 'C' | Char | Single printable character |
| 'B' | Boolean | Y / N or 1/0 Logical true/false (must be uppercase) |
| 'P' | String | Fixed-position example : "value1","value2",,"value4",,,,"value8) . In the head part, a pair with a position definition is required |
| c | ||
| c |
INT 123, -45 Integer number (no decimals, no thousands separator)
LENGTH 23 Non-negative integer; typically byte length of a data field
DATA <binary> Raw binary data (requires corresponding LENGTH field)
FLOAT 12.34, -1.5 Decimal number with optional sign and decimal point
PRICE 1.05678 Float used for price values
TIMESTAMP (8B, epoch nanos)
LANGUAGE
en, pl, de
ISO 639 language code
COUNTRY
PL, US, GB
ISO 3166 country code
CURRENCY
USD, EUR, JPY
ISO 4217 currency code
TZTIMESTAMP
20251009-12:45:23+01:00