{"data":{"id":"us/47-cfr-10.430","jurisdiction":"us","citation":"47 CFR 10.430","heading":"Character limit.","body":"A Participating CMS Provider must support transmission of an Alert Message that contains a maximum of 360 characters of alphanumeric text. If, however, some or all of a Participating CMS Provider's network infrastructure is technically incapable of supporting the transmission of a 360-character maximum Alert Message, then that Participating CMS Provider must support transmission of an Alert Message that contains a maximum of 90 characters of alphanumeric text on and only on those elements of its network incapable of supporting a 360 character Alert Message.","path":["Title 47—Telecommunication","CHAPTER I—FEDERAL COMMUNICATIONS COMMISSION","SUBCHAPTER A—GENERAL","PART 10—WIRELESS EMERGENCY ALERTS","Subpart D—Alert Message Requirements"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-47.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:28Z","sha256":"6a1e351bdb61422fcea08c509a395c75a6d7cb0451631fcc55955cd3c50615ee","source_id":"us-cfr","stale":true,"prev":"us/47-cfr-10.420","next":"us/47-cfr-10.441"},"notice":"GroundRules: Original legal text. Not legal advice."}