FOR ARCHIVING: Registration form for 'Psin' --- LANGUAGE SUBTAG REGISTRATION FORM 1. Name of requester: Doug Ewell 2. E-mail address of requester: doug at ewellic.org 3. Record Requested: Type: script Subtag: Psin Description: Proto-Sinaitic 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 15924 effective 2021-01-25, adding the code element 'Psin' for Proto-Sinaitic.