FOR ARCHIVING: Registration form for 'lsn' (language) --- LANGUAGE SUBTAG REGISTRATION FORM 1. Name of requester: Doug Ewell 2. E-mail address of requester: doug at ewellic.org 3. Record Requested: Type: language Subtag: lsn Description: Tibetan Sign Language 4. Intended meaning of the subtag: 5. Reference to published description of the language (book or article): 6. Any other relevant information: This registration tracks a change made to ISO 639-3 effective 2019-01-25, adding the code element 'lsn' for Tibetan Sign Language. Both a primary language subtag and an extended language subtag were added for this code element. For more information on the ISO 639-3 change, refer to: https://iso639-3.sil.org/sites/iso639-3/files/reports/639-3_ChangeRequests_2018_Summary.pdf