47 CFR § 10.420 - Message elements.

§ 10.420 Message elements.

A WEA Alert Message processed by a Participating CMS Provider shall include five mandatory CAP elements - Event Type; Area Affected; Recommended Action; Expiration Time (with time zone); and Sending Agency. This requirement does not apply to National Alerts.

[86 FR 46790, Aug. 20, 2021]