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Escape sequences other than these are skipped and treated as NULL value.
&F& Indicates Field delimiter
&S& Indicates Component delimiter
&R& Indicates Repeat delimiter
&E& Indicates Escape
7.1.4.3.6 Record Delimiter / End of Record Character
The ASCII CR character (HEX 0D) is always used to indicate the end of a record.
7.1.4.3.7 Null values
All fields are position dependent and are obtained by counting field delimiters by their
position starting from the beginning of the record. This means if a field is null (no
information available), the field delimiters must be included in the record. This ensures that
the n
th
field can be identified by counting n-1 delimiters. Trailing null fields do NOT need to
be included. Delimiters are not needed after the last field containing data.
Null values may be sent for the following reasons:
• The value is not known.
• The sender knows the field is irrelevant to the receiving system.
• The value has not changed since the last transmission.
A field containing only a pair of double quotes “” is not a NULL field instead it should be
treated by the receiving system as an instruction to delete any existing contents of that field.
Note: The receiving system may ignore any field it does not require. However, fields must always be
transmitted in the order specified.
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