47 CFR 10.430
§ 10.430 Character limit.
United States · 47 CFR — Telecommunication · Status: effective
Cite this
- Citation
- 47 CFR 10.430, § 10.430 Character limit, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/234286
- Permanent ID
ys:prov:234286@1- SHA-256
6a1e351bdb61422fcea08c509a395c75a6d7cb0451631fcc55955cd3c50615ee
The hash is SHA-256 of this version's text, with every run of whitespace collapsed to a single space and the ends trimmed. The ID always leads back here, and checking it says whether the text you cited is still the current version.
Full text
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.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.