The language used by a PERSON.
LANGUAGE CODE is based on the ISO 639-1 two character language codes (see the ISO Registration Authority website) plus five communication method extensions:
| q1 | Braille - for people who are unable to see | 
| q2 | American Sign Language | 
| q3 | Australian Sign Language | 
| q4 | British Sign Language | 
| q5 | Makaton - devised for children and adults with a variety of communication and Learning Disabilities | 
This attribute is also known by these names:
| Context | Alias | 
|---|---|
| plural | LANGUAGE CODES |