The computer code for
"Sign Language" is "SGN". SignWriter files
use the .SGN extension. For example, a file named "Hello",
is "Hello.SGN" in SignWriter 4.4.
But what about computer
codes for individual Sign Languages?
working with the Deaf Action Committee For SignWriting and the
Sutton Movement Writing, acts as a registrar for Sign Language
When research provides
positive information regarding the uniqueness of a Sign Language,
the code for that language is registered with The Internet Engineering Task Force (IETF)
and noted on this page:
ISO 639-2 code for Sign Languages