47 CFR § 10.410
Prioritization
February 16, 2021
A Participating CMS Provider is required to transmit Presidential Alerts upon receipt. Presidential Alerts preempt all other Alert Messages. A Participating CMS Provider is required to transmit Imminent Threat Alerts, AMBER Alerts and Public Safety Messages on a first in-first out (FIFO) basis.
[81 FR 75726, Nov. 1, 2016]