639 Identifier Documentation: ypw << Back to Deprecated Language Codes Puwa Yi [ypw] Deprecated Last Active Denotation: Identifier Language Name(s) Status Code Sets Scope Language Type Denotations ypw Puwa Yi Deprecated 639-3 Individual Living Ethnologue, Glottolog, Multitree, Wikipedia Code Change History Change Request Number Effective Date Change Type 2007-122 2008-01-14 Split