Code qualifying a language.
Type
String (AN)
Length
Max 3 / Min 1
Codes
<>  1
Language normally used
The language normally used.
<>  2
Language understood
Language understood by the person.
<>  3
Spoken language
Language that can be spoken by a person.
<>  4
Written language
Language that can be written by the person.
<>  5
Read language
Language that can be read by the person.
<>  6
For all types of communication
Language used for all types of communications.
<>  7
Native language
Language first spoken by the person.

